Congress floats ways to secure skies after Chinese balloon

Sen. Mark Kelly, D-Ariz., speaks with reporters following a classified briefing on China, at the Capitol in Washington on Feb. 15. Senators are investigating how the suspected Chinese surveillance balloon was allowed to pass over crucial missile sites. Kelly is a former astronaut. He wants to require weather balloons to carry a radar transponder. (AP Photo/J. Scott Applewhite, File)

WASHINGTON — As the only current U.S. senator to have visited space, Mark Kelly knows something about unexplained objects in the skies.