...The White House and State Department have maintained that they hold leverage over the Taliban... but a senior congressional source told CBS News that the Taliban is basically holding the planes "hostage" so they can "get more out of the Americans."... ...Rep. Michael McCaul (R-Tex.), the ranking Republican on the House Foreign Affairs Committee, agrees. He told Chris Wallace on Fox News Sunday that he's concerned that U.S. envoy Zalmay Khalilzad will come away from the talks recommending that the Biden administration acknowledge the Taliban as the legitimate government...