 The memo describes those states as within the margin of error, while the Sunbelt states are not out of reach, far from a strong endorsement of Biden's chances. That's how the article of The Washington Post puts it. One Democratic senator, Peter Welch of Vermont, has openly called for President Biden to leave the race for president this year. On the House side, at least 11 Democrats have publicly called for President Biden to withdraw. The latest today, Brad Schneider of Illinois.