WASHINGTON — The House committee investigating the Jan. 6 attack on the U.S. Capitol announced Tuesday that it had postponed a hearing scheduled for Wednesday as a hurricane hurtled toward the Florida coast.The committee had planned to hold what was likely to be its final investigative hearing Wednesday afternoon, but members decided at the last minute to delay it as it became clear that Hurricane Ian was churning on a collision course toward Florida, where it was expected to strengthen into a catastrophic Category 4 …