U.S. Sen. Jerry Moran, R-Kansas, says the National Transportation Safety Board hearings on the January midair crash in Washington, D.C., of a commercial jet out of Wichita and a military helicopter based in Virginia revealed failure to address known safety challenges. The accident killed 67 people, including Kansans. (Kansas Reflector screen capture of U.S. Senate YouTube channel)TOPEKA — U.S. Sen. Jerry Moran castigated the Federal Aviation Adm…