 Tester and Brown are two of the most vulnerable Senate Democrats. A handful of House Democrats, meanwhile, have called on Biden to drop out of the race. I'm Lisa Taylor. Ukraine is on its way to becoming a member of NATO. On Wednesday, the 32 members of the alliance approved a joint communique that said Ukraine is on an irreversible path to NATO membership. The move serves to reaffirm NATO's commitment to support Ukraine in its defense against Russia. The