What is Senator Roger Wicker's position in the U.S. Senate and what are his views on Vladimir Putin during U.S.-Russia peace talks?

Senator Roger Wicker serves as the chairman of the Senate Armed Services Committee, as mentioned by the news anchor in the transcript. According to the description, he has taken a firm stance on Vladimir Putin during ongoing U.S.-Russia peace negotiations, explicitly declaring Putin untrustworthy and labeling him a war criminal. Wicker has emphasized the absolute necessity of Ukrainian representation in any peace talks, particularly following President Trump's controversial comments blaming Ukraine for the war. His position reflects growing concerns about potential U.S. concessions to Russia and highlights fears among Ukrainian officials regarding the prospects for achieving a just peace settlement.