Super PAC makes big play to lift Hillary Clinton in primary states  —  The main super PAC supporting Democratic presidential hopeful Hillary Clinton is making its first significant foray into the 2016 primary, launching a radio campaign in South Carolina and spearheading a $4.5 million effort …

'You didn't hear this from me, but. . .': Why South Carolina primary politics are so dirty.  —  COLUMBIA, S.C. — Here's a story, the gist of which will sound familiar to anyone living in South Carolina: Natalie Barrett, a 53-year-old schoolteacher from Westminster, got a robo-call earlier this month and ended up furious.

Poll: Wins Push Trump, Sanders to New Heights  —  After winning New Hampshire's presidential primaries by wide margins, New York real estate magnate Donald Trump and Sen. Bernie Sanders are soaring to new heights among their respective party's voters, a new Morning Consult poll finds …

Clinton turned Sanders's attacks on her Wall Street ties into a game of chicken.  And she won.  —  The morning after a debate, it's natural to focus on the most dramatic moments.  But in the case of Thursday night's Clinton-Sanders showdown, the most significant exchange was arguably one that featured almost no drama.

DNC rolls back Obama ban on contributions from federal lobbyists  —  The Democratic National Committee has rolled back restrictions introduced by presidential candidate Barack Obama in 2008 that banned donations from federal lobbyists and political action committees.

Suspect Killed After Attacking Multiple People With Machete In Columbus Restaurant  —  Tylar Bacome  —  Police have shot and killed a suspect after he attacked multiple people at a restaurant in northeast Columbus with a machete.  —  The incident happened at the Nazareth Restaurant on N. Hamilton Road.

Cruz Campaign Removes Ad Featuring Softcore Porn Star  —  Amy Lindsay has appeared in films such as Erotic Confessions, Carnal Wishes, Secrets of a Chambermaid, and Insatiable Desires.  “Had the campaign known of her full filmography, we obviously would not have let her appear in the ad,” a Cruz campaign spokesman told BuzzFeed News.

Joe Scarborough-Donald Trump friendship increasing source of discomfort at NBC  —  Last November, MSNBC's Joe Scarborough sat on stage at the 92nd Street Y in New York and recounted the various times he had given Donald Trump political advice.  —  “I've actually called him up and said …

Officer Is Attacked and Then Surrounded by '40 or 50′ Teenagers.  But Just When It Looks Like the Cop Is ‘Dead Meat,’ a Gun Owner Opens His Front Door.  —  Last Friday was a bad day for police in Upper Darby, Pennsylvania, which hugs the western border of Philadelphia.

Inside The Most Important Supreme Court Case In Human History  —  The earth just had a terrible day in court.  —  Tuesday evening, the Supreme Court unexpectedly suspended the Obama administration's most aggressive effort to fight climate change in a 5-4 vote.

At Success Academy School, a Stumble in Math and a Teacher's Anger on Video  —  In the video, a first-grade class sits cross-legged in a circle on a brightly colored rug.  One of the girls has been asked to explain to the class how she solved a math problem, but she has gotten confused.

Obama's Writer Pens Trump Victory Speech  —  Jon Favreau gives you a glimpse of what the Republican frontrunner will likely sound like should he win the nomination.  —  It's come to this: I've written a Donald Trump speech.  —  It's not something I necessarily enjoyed doing …

AFP EXCLUSIVE: Assad vows to retake whole country, warns could ‘take long time’  —  Damascus (AFP) - Syria's President Bashar al-Assad has vowed to retake the entire country but warned it could take a “long time,” in an exclusive interview with AFP that comes as international pressure grows for a ceasefire.

Sanders Is Delusional if He Thinks He Can Keep His Promise on Mass Incarceration  —  Leon Neyfakh is a Slate staff writer.  —  On this last point, Sanders trotted out an absurd promise he has used several times before: that by the end of his first term, the United States will no longer be the world leader in incarceration.

Parched Earth soaks up water, slowing sea level rise: study  —  Miami (AFP) - As glaciers melt due to climate change, the increasingly hot and parched Earth is absorbing some of that water inland, slowing sea level rise, NASA experts said Thursday.  —  Satellite measurements over the past decade show …

Tempers flare at IRS hearing  —  A heated argument erupted Thursday at a hearing on the IRS, with Democrats and Republicans trading charges about the work of the Oversight Committee.  —  Two Democrats on the panel accused their GOP colleagues of repeatedly holding hearings on the IRS for political reasons.