Republican Sen. Mitt Romney said Monday that he has had discussions with his GOP colleagues and it is "increasingly likely" that others would join his ongoing push for former national security adviser John Bolton to testify in the impeachment trial of President Donald Trump.

Rep. Adam Schiff and the rest of the House impeachment managers were meeting in the speaker's office in the US Capitol late Sunday afternoon when the bombshell news broke. The New York Times reported that a book manuscript John Bolton submitted to the White House for review alleged that President Donald Trump told his then-national security adviser that he wanted to continue holding military aid to Ukraine until the country helped with investigations into Democrats -- including former Vice President Joe Biden.

Lead House impeachment manager Rep. Adam Schiff argued Monday that Republican senators cannot say they want "a search for the truth" in President Donald Trump's impeachment trial if they don't vote to subpoena former national security adviser John Bolton.

Call it the October surprise of President Donald Trump's impeachment trial.

Democrats demanding new witnesses in Donald Trump's impeachment trial are seizing on a report that the President ordered former national security adviser John Bolton to keep military aid to Ukraine frozen in a bid to coerce political favors.

An explosive New York Times report detailing an unpublished draft manuscript by former national security adviser John Bolton has added new uncertainty to this week's crucial vote to determine whether the Senate should subpoena witnesses and documents in President Donald Trump's impeachment trial, several GOP sources said.

As President Donald Trump's legal team prepares to continue arguments in the impeachment trial Monday, Joe Biden said he expects to be a focus of their presentation.

House Judiciary Committee Chairman Jerry Nadler on Sunday announced he will miss parts of the ongoing Senate impeachment trial of President Donald Trump to help take care of his ailing wife.

President Donald Trump made 49 false claims last week, sprinkling his dishonesty around a wide range of subjects.