IE 11 is not supported. For an optimal experience visit our site on another browser.

Trump takes aim at Biden as O’Rourke sets fundraising record

02:54

President Trump targeted former Vice President Joe Biden on Twitter, saying his potential 2020 challenger is a “low I.Q. individual.” Meanwhile, Democrat Beto O’Rourke raised $6.1 million in his first 24 hours campaigning. NBC’s Kristen Welker reports.