WASHINGTON, Feb. 28 -- Sen. Roger Wicker, R-Mississippi, issued the following news release: U.S. Senator Roger Wicker, R-Miss., the highest-ranking Republican on the Senate Armed Services Committee, led his colleagues in a hearing examining challenges and opportunities in the defense civilian workforce. In his opening remarks, Senator Wicker noted the problems with both employment protections and speedy hiring authorities, leading to suboptimal performance in much of the defense workforce. "U more PR