Rep. Ken Buck (R-Colo.) on Friday said he is opposed to blocking Rep. Ilhan Omar (D-Minn.) from sitting on the House Foreign Affairs Committee, becoming the latest GOP lawmaker to voice opposition to Rep. Kevin McCarthy’s (R-Calif.) plan. “I think that we should not engage in this tit for tat,” Buck told NBC on Friday. “I am opposed to … the removal of Congresswoman Omar from committees.” Buck’s opposition could spell trouble for McCarthy, who has long promised to remove Omar from that committee as well as block Reps. Adam Schiff (D-Calif.) and Eric Swalwell (D-Calif.) from the House Intelligence...