If Sen. Lisa Murkowski decides to jump ship and vote with Susan Collins and Mitt Romney to allow new witnesses in the impeachment trial, Democrats still lack the votes they need since a 50-50 tie would mean the witness motion has failed without a majority.
However, the Washington Post says “uncertainty remains surrounding what could happen if there is a 50-50 tie on the motion to hear more evidence, a vote that will occur Friday evening. Republicans have been warily eyeing Chief Justice John Roberts, hoping he would not weigh in to break a tie if three GOP senators side with Democrats on the effort,”
Earlier for members: Yes, the Chief Justice can break a tie on witnesses.
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