Their theory of the case will likely stretch into Friday.

The third day of the Senate impeachment trial of President Trump on Thursday is set to see Democrats continue to lay out their lengthy case against the president.
What to watch for: Expect more of the same from Wednesday. The biggest news will likely happen off the floor as senators signal how they’re reacting to the trial and the potential to allow witnesses. On the floor, Democratic house managers will continue to slowly and methodically build their case, focusing on the abuse of power article.
This item will be updated with the latest developments when the trial resumes around 1 p.m. on Thursday.