Senate Democrats unanimously call on Blagojevich to resign.

Huffington Post’s Sam Stein reports that all 50 members of the Democratic Senate caucus have signed Majority Leader Harry Reid’s (D-NV) letter calling on Illinois Gov. Rod Blagojevich (D) to “step down from his post and refrain from appointing anyone to the vacated Illinois Senate seat.” The signatories include Vice President-elect Joe Biden and Secretary of State nominee Hillary Clinton. President-elect Barack Obama has also called on Blagojevich to step down.