There are questions about who will get to speak and where people will sit. But the central question appears to be whether witnesses will testify. But some House Republicans say it is important to do so. They are the chance to clean this mess up.”The Senate has specific rules, revised in 1986, governing impeachment trials. Or there can be no resolutions at all, and senators can introduce motions as they go.

Source: New York Times December 14, 2019 01:07 UTC