Donald Trump didn't offer Joe Biden a ride on Air Force One to go to the Pope's funeral and when asked if they would meet, he pretended he didn't know his predecessor would attend

Reporters Jessie Blaeser and Ben Storrow told the Society of Environmental Journalists conference that the Trump is zeroing in on climate funding.

Trump has spoken about Biden, his family or his administration at least 580 times either in public remarks or on his social media site, an NBC News analysis shows.