The Senate impeachment trial of President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE, which starts Tuesday, was the main focus of the political talk shows Sunday morning.

Guests sparred on the House-passed impeachment article charging the president with abuse of power, and whether additional witnesses should be called in the upper chamber.

You can read The Hill's complete coverage below.

Graham: Abuse of power 'poorly defined' in articles of impeachment By ZACK BUDRYK “Abuse of power is so poorly defined here I don’t know presidents in the future can confirm their conduct,” Sen. Lindsay Graham (R-S.C.), the chair of the Senate Judiciary Committee, said on “Fox News Sunday.” Read the full story here

Trump lawyer: Abuse of power, obstruction articles 'have not fared well' By ZACK BUDRYK “Abuse of power alone, and history has shown this, similar to also obstruction of Congress, those types of articles of impeachment have been tried on for size before but they have not fared well,” Robert Ray said. “The core of the impeachment parameters allege that crimes have been committed, treason, bribery and things like that, in other words, other high crimes and misdemeanors.” Read the full story here

Schiff says intelligence community is withholding Ukraine documents from Congress By JUSTIN WISE House Intelligence Committee Chairman Adam Schiff (D-Calif.) said Sunday that the U.S. intelligence community is beginning to withhold documents on Ukraine from Congress as lawmakers prepare for the impeachment trial of President Trump. Read the full story here

Dershowitz says 'no need for witnesses' if his argument succeeds By REBECCA KLAR Lawyer Alan Dershowitz, a member of President Trump's impeachment defense team, said Sunday there will be no need to call witnesses during the Senate trial if his legal arguments are successful. Read the full story here

GOP senator, Chuck Todd spar over whether Lev Parnas should testify in Senate impeachment trial By JUSTINE COLEMAN “This is a distraction,” Sen. David Perdue (R-Ga.) said. “This a person that’s been indicted. Right now, he's out on bail. He’s been meeting with the House Intel Committee. If the House felt like this information was pertinent, I would think they would have included him.” Read the full story here

Trump Jr.: If 'weaker' Republicans only call for certain witnesses, 'they don't deserve to be in office' By ZACK BUDRYK President Trump’s eldest son Donald Trump Jr. said Sunday that “weaker” Senate Republicans should go on record about whether they are only willing to hear from witnesses requested by Democrats in President Trump’s impeachment trial. Read the full story here