(FILES) In this file photo taken on June 09, 2020 Senator Lisa Murkowski(R-AK) arrives for a Republican policy luncheon at the US Capitol in Washington, DC. - US Senator Lisa Murkowski on January 8, 2021 became the chamber's first Republican to publicly call for Donald Trump's resignation, saying the president has "caused enough damage" to the nation. The Alaska lawmaker also questioned her future as a Republican, warning that if her party remains in thrall of Trump despite his inciting a mob to storm the US Capitol, then she could leave it for good. (Photo by MANDEL NGAN / AFP)