CBS News chief Washington correspondent Major Garrett joined "CBS This Morning" to discuss the first day of the impeachment proceedings against former President Donald Trump. He also shares his reporting on the former president's reaction to his attorneys' defense of him.

Opening arguments will formally begin Wednesday in the second impeachment trial of former President Donald Trump, after six Republicans joined Democrats in voting to let the trial proceed. The 56-44 vote came after House impeachment managers previewed their case against Mr. Trump, using powerful video to walk senators through the January 6 assault on the U.S. Capitol that they say he incited. Nancy Cordes reports.

The Senate voted 56 to 44 in finding that it has jurisdiction to try former presidents on impeachment charges.

The Senate will convene Tuesday to begin former President Donald Trump's impeachment trial.

Senator Lindsey Graham calls the former president's upcoming impeachment trial "blatantly unconstitutional" and says it will end in acquittal.

Cheney, the third-ranking Republican in the House, said Saturday that her vote to impeach was "compelled by the oath I swore to the Constitution."

The former president has been impeached on a charge of inciting the insurrection at the Capitol on January 6.

Pharmaceutical company Johnson & Johnson is asking the FDA to grant emergency use authorization for its single-shot coronavirus vaccine. Also, former President Trump has rejected a request by House Democrats to testify under oath at his second impeachment trial. All that and all that matters in today's Eye Opener. Your world in 90 seconds.

The Senate is set to convene as a court of impeachment February 9.

Just days before the U.S. Senate puts former President Trump on trial for inciting the mob assault on the U.S. Capitol, House managers asked him to testify. Mr. Trump's legal managers called it "a publicity stunt." Kris Van Cleave has the latest.