FORT WORTH – A midair collision near Washington, D.C., involving an American Airlines jet and an Army Black Hawk helicopter , is causing flight disruptions at DFW-area airports, with severe weather in North Texas further complicating travel. Texas Sen. Ted Cruz said in a post on X that he is closely monitoring the situation and will receive a briefing from the Federal Aviation Administration on Thursday. “Please join Heidi and me in praying for all involved as the search and rescue is underway,” Cruz wrote . Reagan National Airport was expected to remain closed until 10 a.m. CT. The…..