Largest US airlines raise pressure on Dems to 'pass a clean CR' and end shutdown

The four largest U.S. airlines are now adding pressure on Democrats to "pass a clean CR" and reopen the government as Transportation Security Administration (TSA) workers and air traffic controllers are going without pay. The push from United, Delta, American and Southwest comes after Senate Democrats on Tuesday blocked Republicans’ 13th attempt to reopen the government during the ongoing shutdown.  Senate Majority Leader John Thune, R-S.D., had tried to advance the House-passed continuing resolution (CR) and was again foiled by Senate Minority Leader Chuck Schumer, D-N.Y., and the Democratic