Family of AR-15 Inventor Eugene Stoner: He Didn't Intend It for Civilians  —  Once Banned, These Assault Rifles Are Hugely Popular in the U.S. 0:52  —  The AR-15 is the most talked about gun in America.  —  But the AR-15's creator died before the weapon became a popular hit and his family has never spoken out.

Kasich on Trump: 'I just can't do it'  —  John Kasich is in agony over his decision last year to support the eventual Republican nominee and the current reality that Donald Trump is his party's presumptive standard-bearer.  —  “You know, it's painful.  It's painful.  You know, people even get divorces, you know?

Orlando terrorist's chilling Facebook posts from inside club revealed  —  EXCLUSIVE: In the hours after he blasted his way into an Orlando gay nightclub, and with his victims lying dead or wounded around him, Omar Mateen took to Facebook to pledge his loyalty to ISIS and threaten more attacks …

Exclusive: Is Donald Trump's Endgame the Launch of Trump News?  —  The candidate is considering starting his own cable empire.  —  Every election cycle has its own breakout media star.  In 1992, it was CNN.  A few years later, it would be an e-mail blast called the Drudge Report.

Trump's campaign hits a wall  —  's campaign for the White House is teetering amid dismal poll numbers, racially tinged controversies and a rising chorus of criticism from within the GOP.  —  After knocking Sen. Ted Cruz  —  (R-Texas) out of the primary in May, Trump picked up momentum and made strides in unifying the party.

AMERICAN RETIREES ARE LIVING OFF OF GUN SALES.  —  Some of the largest investors in gun companies are average Americans who own index funds in their workplace retirement plans.  If you have a 401(k) plan with Vanguard Group, in all likelihood you own gun stocks — and you've done well off it.

Trump's relationship with RNC sours  —  Donald Trump is relying heavily on the Republican Party to bolster his skeletal operation, but his campaign's relationship with the Republican National Committee is increasingly plagued by distrust, power struggles and strategic differences, according to sources in both camps.

U.S. officials say American Muslims do report extremist threats  —  Muslim-Americans have repeatedly informed authorities of fellow Muslims they fear might be turning to extremism, law enforcement officials say, contrary to a claim by presumptive Republican presidential nominee Donald Trump this week.

Bernie Sanders Not Being Vetted as Hillary Clinton's Running Mate  —  Massachusetts Sen. Elizabeth Warren is among a group of Democratic officials being considered  —  Hillary Clinton's campaign isn't considering primary rival Bernie Sanders as her running mate, but is actively looking …

Christie's Position Stage-Right to Trump Brings Harsh Spotlight  —  New Jersey governor on defensive over Trump's judge comments  —  His approval is at an all-time low after endorsing billionaire  —  Chris Christie's June 10 walk along a Jersey Shore boardwalk to kick off the tourism season …

EXCLUSIVE: Oprah Winfrey Endorses Hillary Clinton in Upcoming Election: 'It's a Seminal Moment for Women'  —  Oprah Winfrey is throwing her support behind Hillary Clinton.  —  Winfrey spoke with ET's Nancy O'Dell at the premiere of her new OWN drama, Greenleaf, and the media mogul opened …

This Looks Like the DNC's Hacked Trump Oppo File  —  A 200+ page document that appears to be a Democratic anti-Trump playbook compiled by the Democratic National Committee has leaked online following this week's report that the DNC was breached by Russian hackers.

Donald Trump calls her ‘Crooked Hillary,’ but his fans just say ‘b—  ’  —  GREENSBORO, N.C. — As thousands of Donald Trump supporters streamed out of an evening rally here this week, they walked past a handful of vendors from Ohio selling simple white T-shirts featuring Hillary Clinton, Monica Lewinsky and a vulgar joke.

Global Warming Skeptic Responds To Massachusetts AG's Subpoena: ‘F**k Off, Fascist’  —  Alex Epstein had a terse response to a subpoena sent by Massachusetts Attorney General Maura Healey Wednesday.  —  Healey demanded the oil giant ExxonMobil hand over 40 years of documents …

Clinton maintains lead after claiming nomination - CBS News poll  —  State of the race  —  With the presidential primary season now officially at a close, Hillary Clinton (43 percent) holds a six-point lead over Donald Trump (37 percent) - the same margin she led Trump by a month ago.

Exclusive: Rubio friend greenlights reelection bid  —  Friends for 20 years, Marco Rubio and Florida Lt. Gov. Carlos Lopez-Cantera were at the scene of the Orlando massacre on Sunday when they had an unusually frank conversation about their political futures.

House votes to ban all Gitmo transfers  —  A defense spending bill would prevent transferring any detainees out of the Guantanamo Bay detention facility under an amendment passed Wednesday.  —  The proposal to tighten restrictions comes after a report that at least a dozen former detainees …

Donald Trump Accused of Using His Charity as a Political Slush Fund  —  When the presumptive GOP nominee doled out money to veterans' groups over the past few months, he did so using the Trump Foundation—which, according to FEC rules, is not allowed.  —  The Trump Foundation …

Clinton to unleash TV hell on Trump  —  Hillary Clinton is opening her wallet and seizing the moment.  —  Just hours after the votes were cast in the final Democratic primary, the Clinton campaign started reserving advertising blocks in eight battleground states on Wednesday …

Craigslist ad threatens Orlando-style massacre in San Diego  —  SAN DIEGO - Police are investigating an online threat of violence to San Diego's LGBT community that read: “You're next.”  —  On Tuesday evening, a 10News viewer saw the post in the men-seeking-men section of the Craigslist San Diego personal ads.

WATCH: Mizzou race activist hijacks Orlando vigil as gay community rebukes her  —  UPDATED  —  ‘Multicultural’ official scolds whites who preach unity  —  A vigil Monday planned by several University of Missouri student organizations was supposed to honor victims of Sunday morning's deadly shooting rampage …

Favorability of Trump's GOP Lowest in Bloomberg Poll's History  —  Just 32 percent of Americans view the Republican Party favorably as it prepares to formally nominate Donald Trump for president, the latest Bloomberg Politics national poll shows, the lowest level recorded since the poll's inception in September 2009.