FILE - In this Dec. 19, 2019, file photo, Sen. Lisa Murkowski, R-Alaska, chair of the Senate Energy and Natural Resources Committee, speaks during a hearing on Capitol Hill in Washington. Murkowski said she's comfortable waiting to decide if more information is needed as part of the Senate's impeachment trial until after hearing arguments from House managers and attorneys for President Donald Trump and questions from members. Murkowski spoke to reporters Saturday, Jan. 18, 2020, from Anchorage ahead of Senate impeachment trial proceedings expected to begin Tuesday. (AP Photo/Patrick Semansky, File)