text:  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 re-election 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. The latest calls for Biden to step aside today coming from House Representatives Brad Schneider of Illinois and Hillary Scholten of Michigan.