Biden reportedly said he wouldn't be running if Mitt Romney was president

Former Vice President Joe Biden isn't bashful about the reason he's running for president.Biden, though not bereft of policy plans, isn't leading a specific "movement" like some of his Democratic competitors, namely Sens. Bernie Sanders (I-Vt.) and Elizabeth Warren (D-Mass.). In that sense, there doesn't appear to have been an ideological motivation that spurred the 77-year-old's decision to jump into the crowded Democratic primary last year, except for defeating the incumbent, President Trump,