Klobuchar had already been signaling a growing interest in U.S.-Russia relations before the most recent developments. In late December, Klobuchar joined Republican Sens. John McCain and Lindsey Graham on a trip to the Baltic states and Ukraine, where she said they learned that Russia has tried to influence elections in Estonia and Lithuania. U.S. intelligence agencies have since suggested Moscow also meddled in last year’s U.S. presidential election.