Democrats hope to pass the $1.9 trillion COVID-19 relief package by the middle of March and plan to forge ahead without Republicans.
"I've seen a lot of lawyers and a lot of arguments and that was... not one of the finest I've seen," said Sen. John Cornyn, R-Texas.
The House impeached President Donald Trump for "incitement of insurrection" on Jan. 13, making him the only president to be impeached twice.
The race is on to quickly fill the Supreme Court vacancy left by Ruth Bader Ginsburg. Here are the senators to watch.