 to his supporters what would have to happen for them to reconsider that position. The White House has spent the week defending the president's abilities, but that's done little to silence doubts that he's the best candidate to beat Donald Trump. Windsor Johnston, NPR News, Washington. Some Biden advisers met with Senate Democrats today to try to contain opposition to Biden's reelection bid. The number of congressional Democrats publicizing concern that Biden will hurt the party's prospects for the White House and downed ballot remains small, but it's growing.