Dems’ impeachment challenge: Making a case with no new facts

A copy of a Senate draft resolution to be offered by Senate Majority Leader Mitch McConnell, R-Ky., regarding the procedures during the impeachment trial of President Donald Trump in the U.S. Senate is photographed in Washington, Monday, Jan. 20, 2020. McConnell is proposing a condensed, two-day calendar for opening arguments in Trump's impeachment trial, ground rules that are raising objections from Democrats on the eve of the landmark proceedings. (AP Photo/Jon Elswick)
Chief Justice John Roberts departs the U.S. Capitol Wednesday, Jan. 22, 2020, following arguments in the impeachment trial of President Donald Trump on charges of abuse of power and obstruction of Congress, in Washington. (AP Photo/J. Scott Applewhite)
Sen. Tammy Duckworth, D-Ill., departs the Capitol, late Wednesday, Jan. 22, 2020, following arguments in the impeachment trial of President Donald Trump on charges of abuse of power and obstruction of Congress, in Washington. (AP Photo/J. Scott Applewhite)
Senate Majority Leader Mitch McConnell, R-Ky., leaves the Senate chamber after the impeachment trial of President Donald Trump at the U.S. Capitol, Wednesday, Jan. 22, 2020, in Washington. (AP Photo/Steve Helber)
House Intelligence Committee Chairman Adam Schiff, D-Calif., departs the Capitol, late Wednesday, Jan. 22, 2020, following arguments in the impeachment trial of President Donald Trump on charges of abuse of power and obstruction of Congress, in Washington. (AP Photo/J. Scott Applewhite)

WASHINGTON — The Senate headed into the second day of arguments in President Donald Trump’s impeachment case as House Democrats argue that he abused the power of his office and obstructed Congress for personal political gain ahead of the 2020 election.