Obama Says Republicans Should Withdraw Support for Trump  —  WASHINGTON — In his strongest denouncement of Donald J. Trump so far, President Obama on Tuesday said Mr. Trump was “unfit to serve as president” and urged the leaders of the Republican Party to withdraw their backing for his candidacy.

Trump boots baby from Virginia rally  —  Donald Trump asked a woman with a crying baby to leave his rally in Ashburn, Virginia on Tuesday.  —  The GOP nominee initially suggested that he did not mind the disruption.  —  “Don't worry about that baby.  I love babies,” Trump said after hearing …

Rep. Richard Hanna letter: We should all be done with Donald Trump (commentary)  —  U.S. Rep. Richard Hanna, a three-term Republican from Oneida County, represents the 22nd Congressional District.  Hanna is shown speaking last month to firefighters in Binghamton.  (Provided photo)

Trump refuses to support Paul Ryan, John McCain in upcoming Republican primaries  —  Republican presidential nominee Donald Trump is refusing to back House Speaker Paul D. Ryan in his upcoming primary election, saying in an interview Tuesday that he is “not quite there yet” in endorsing his party's top-ranking elected official.

DNC CEO resigns amid turmoil  —  A trio of top Democratic National Committee officials have left their posts, the organization announced Tuesday.  —  Democratic National Committee CEO Amy Dacey resigned Tuesday, sources with knowledge of the move confirm to POLITICO.

Utah could vote Democrat for president for first time in 5 decades  —  (KUTV) The Republican and Democrat national conventions are over and as the dust starts to settle, it looks like Hillary Clinton has a chance to carry Utah in the U.S. presidential election.

How Jeff Zucker Made CNN Great Again … It's the second day of the Democratic National Convention, and Jeff Zucker is huddled with his CNN staff on the ground in Philadelphia.  Unlike most cable news network chiefs, he is painstakingly involved with the minutiae of hourly coverage …

Paul Ryan: We're in fight to ‘retake the soul’ of the Republican Party  —  (R-Wis.) told a donor audience convened by the billionaire Koch brothers that conservatives are in a fight to “retake the soul” of the Republican Party.  —  “We have to do a better job of taking the moral high ground …

First on CNN: Ex-top Christie aide backs Clinton over Trump  —  (CNN)Longtime Chris Christie aide Maria Comella says she plans to vote for Hillary Clinton — saying that after Donald Trump's nomination, Republicans are “at a moment where silence isn't an option.”

Clinton, Allies Have Reserved $98 Million in Ads  —  Hillary Clinton and her allies are poised for a TV ad blitz of nearly $100 million dollars, compared to less than $1 million currently reserved on the airwaves by backers of Donald Trump.  —  According to ad-tracking data provided to NBC News …

Medical benefits of dental floss unproven  —  HOLMDEL, N.J. (AP) — It's one of the most universal recommendations in all of public health: Floss daily to prevent gum disease and cavities.  —  Except there's little proof that flossing works.  —  Still, the federal government …

Trump: There's something ‘phony’ about these polls  —  cast doubt on general election polls that show him trailing Hillary Clinton  —  , calling those polls “phony.”  —  “I see some great polls — I see one from the Los Angeles Times, just came out, where were ahead by 4 or 5 points.

Korryn Gaines is the ninth black woman shot and killed by police this year  —  Three officers with the Baltimore County police arrived at Korryn Gaines's apartment around 9:20 a.m. on Monday to serve warrants to her as well as a man who also resided there.  —  The man was wanted on an assault charge …

Trump Says He'll Spend More Than $500 Billion on Infrastructure  —  The proposal would amount to a massive new government program.  —  Donald Trump on Tuesday proposed a plan to rebuild U.S. infrastructure that costs “at least double” the amount that Hillary Clinton has floated …

About the report  —  The State of the Climate report series is the authoritative annual summary of the global climate.  Published in the Bulletin of the American Meteorological Society, the report is edited by scientists at NOAA's National Centers for Environmental Information.