The acquittal is expected - but Romney is revolting

"The president is guilty of a terrible abuse of public confidence," Romney told the Senate.

He adds that corrupting a choice to retain power is perhaps the most insulting and destructive failure against an oblivious mission he can imagine.

It is no surprise in itself that Romney is taking the step to vote against the party line. He has supported several of the Democrats' efforts during the process.

But in order to drop the president, and thus remove him from the presidential post, a two-thirds majority is required in the Senate vote.

Such a ruling is highly unlikely, as Donald Trump's Republican Party has a majority in the chamber: 53 seats against the 47 Democrats. witch hunt".

Democrats accuse Trump of freezing a military aid package to Ukraine in order to pressure the country's government to launch an investigation into the son of Democrat Joe Biden, Trump's potential rival in the fall presidential election.

The formal prosecution charges are abuse of power and impediment to the work of Congress.

The entire trial has been going on since September and the vote tonight is the end of the trial, which is the third in US history.

In the past, Presidents Bill Clinton (1998) and Andrew Johnson (1868) have been formally accused by the House of Representatives, but have since been released by the Senate.