Republicans and Democrats are condemning Rep. Thomas Massie for insisting legislators vote in person instead of holding a "voice vote."
The former secretary of state later used much more diplomatic language.
Kerry launched a new climate coalition called World War Zero on Sunday, and said so far, "no country is getting the job done."
Bill Clinton, Jimmy Carter and Leonardo DiCaprio are among the 60 founding members of the initiative, which aims to mobilize people to fight climate change.
The GOP senator decided to indulge an unsubstantiated right-wing theory as the Trump impeachment inquiry marches on.
Now, he’s just discarding his position in exactly the same way Al Gore did.
As Democrats eye their 2020 White House candidates, it's best to recall that the "electability" path is littered with the bodies of losers.
Rep. Thomas Massie doubled down on his bizarre attempt to question John Kerry's education.
"Are you serious? This is really, seriously happening here?" the former secretary of state asked Rep. Thomas Massie in disbelief.
Former Secretary of State John Kerry answered questions on climate change for Rep. Thomas Massie (R-Ky.), who didn’t appear to be familiar with the definition of political science.
The former secretary of state slammed the GOP's inaction on climate change, praising the freshman congresswoman instead.
The former secretary of state said in a Democratic fundraising email that Trump had "divided us at home and isolated America in the world."
"He doesn’t take any of this seriously," the former secretary of state said during a panel at the World Economic Forum in Davos.
The former secretary of state said James Mattis' resignation is "a continuation of a crisis that too many people have been too content to live with."
"Happy Veterans Day," the former secretary of state tweeted at Fox News' Greg Gutfeld.
“He is the first president that I know of who spends more time reading his Twitter ‘likes’ than his briefing books or the constitution of the United States."
Former secretary of state says "Fear" and an anonymous New York Times op-ed paint a frightening picture of the president.
"I should only be so lucky," the president wrote on Twitter.
The former secretary of state had a genius reply to the conspiracy theory involving himself and a gigantic energy beam.
A guide to the 2015 international agreement that Donald Trump has plunged into crisis.