Rep. Lloyd Doggett is first House Democrat to publicly call for Biden to step down as party's nominee

FI"LE - Rep. Lloyd Doggett, D-Texas, listens during a news conference on Capitol Hill in Washington, June 16, 2015. Doggett has become the first in the party to publicly call for President Joe Biden to step down as the Democratic nominee for president, citing Biden's debate performance failing to "effectively defend his many accomplishments."