In Unprecedented Move, Sen. Cory Booker to Testify Against Jeff Sessions

Booker will testify during Sessions' second day of his confirmation hearing.

"I do not take lightly the decision to testify against a Senate colleague," Booker said in a statement. "But the immense powers of the Attorney General combined with the deeply troubling views of this nominee is a call to conscience."

In his statement today, Sen. Booker said he lacks "confidence" Sessions can fulfill the attorney general’s responsibility to uphold "fair administration of justice" and pointed to the Alabama senator’s record as cause for concern.

"I feel blessed and honored to have partnered with Sen. Sessions in being the Senate sponsors of this important award," Booker said Feb. 24, 2016 at the Congressional Gold Medal Ceremony for the "foot soldiers" of the 1965 Voting Rights marches.

"Cory Booker is one of more able members of the Senate and one of the best people in the Senate," Sen. Sessions said then about his Democratic colleague now challenging his nomination to be attorney general.