Here's where we are: A president who survived impeachment for trying to stack the deck against his most-feared election opponent is now facing impeachment again for inciting his supporters to attack Capitol Hill to challenge that same opponent's victory.

The second impeachment trial of former President Donald Trump begins in the Senate on Tuesday, where senators will be confronted with the violent events of the January 6 riots and whether Trump is culpable for inciting the insurrectionists that attacked the Capitol and placed their lives in danger.

The simple question posed by Donald Trump's second impeachment trial that begins Tuesday is whether a president who loses reelection can get away with a violent coup attempt in a desperate bid to stay in power.

The point of Donald Trump's second impeachment is not his actual conviction. The quivering weakness of many Republican senators, who will not be moved to vote against him even after he incited a mob to attack the Capitol, means conviction appears impossible. But Trump can still be held to account.

Former President Donald Trump's lawyers have explained how will they defend him in his second impeachment trial against the charge that he incited the violent insurrection at the Capitol on January 6.

When former President Donald Trump's second impeachment trial kicks off Tuesday afternoon, Americans will relive -- through the eyes of the senators sitting in judgment of his actions -- the assault on the Capitol we all witnessed in real time just a little more than a month ago.

Anderson Cooper discusses the historic second impeachment trial of Donald Trump with Watergate whistleblower John Dean and how President Trump is likely to be viewed historically.

• Former GOP senators: Trump should not escape accountability • Fact check: How Trump's lawyers twisted facts • Schumer says deal was reached on trial rules • Blinken says riot hurt US standing as defender of democracy