
Senator Tim Kaine has a theory as to what's behind President Trump's decision to pull the U.S. out of the Paris Climate Accord: He's jealous of his predecessor.
"Why did Trump really walk away from #ParisAgreement? He's surrounded by science deniers and fossil fuel junkies," tweeted Kaine, who was the running mate of Trump's Democratic rival Hillary Clinton, during the 2016 presidential campaign."