Another prominent Democrat is urging former Vice President Joe Biden to run for president in 2020. California Democratic Senator Dianne Feinstein said on Thursday that she believes Biden has the best chance to defeat President Trump. (RELATED: Dianne Feinstein Signals She May Be Running For Re-Election- She’ll Be 91) “Joe was chairman of the Judiciary [Committee] when he came to this place. I’ve watched him as vice president, I’ve seen him operate, I’ve seen him perform,” Feinstein told Politico. “He brings a level of experience and seniority which I think is really important.”