Unlike other Republicans in competitive races, Sen. Thom Tillis of North Carolina is running on his opposition to the impeachment of President Donald Trump.

A day before the Senate votes on whether to convict or acquit him on two charges of impeachment, President Donald Trump gave his annual State of the Union speech in the House.

Gretchen Whitmer, the Democratic governor of Michigan, focused on health care and American workers when she delivered the party's response to President Donald Trump's State of the Union address Tuesday, putting a spotlight on the bread-and-butter issues that Democrats hope will resonate with the American public in the wake of impeachment.

On the eve of his impeachment acquittal and on the night of what could be his final State of the Union address, President Donald Trump was not the overriding story in the land as Americans waited for the first formal sign of who will face him in November. (Former South Bend, Indiana, Mayor Pete Buttigieg is in the early lead.) Yet Iowa Democrats were in disarray after app troubles delayed their caucus count, while Trump's team appeared organized and in control.

President Donald Trump is set to deliver his third official State of the Union address to the nation from the US Capitol on Tuesday at 9 p.m. ET, the night before the Senate is scheduled to render its verdict on his impeachment trial.

Sen. Susan Collins of Maine, a moderate Republican senator up for reelection in 2020, said Tuesday that she would vote to acquit President Donald Trump on both articles of impeachment, dimming the chances that any Senate Republicans will cross party lines to vote to remove the President from office.

Chief Justice John Roberts, who has recently spent hours in Congress presiding over Donald Trump's impeachment trial, will return Tuesday night to attend the President's State of the Union address, a Supreme Court spokesperson said.

Both the House managers and the President's defense team wrapped up their closing arguments yesterday. Senators will continue giving speeches today explaining their impeachment vote.

Republican Sen. Lisa Murkowski of Alaska announced Monday that she "cannot vote to convict" President Donald Trump in the Senate impeachment trial but nevertheless called his actions "shameful and wrong."

Here are some of the last words spoken by President Donald Trump's defense team -- and by the House managers arguing Trump should be removed.