Nearly HALF of TSA agents call out at America's busiest airports as lines stretch for almost five hours and travel chaos worsens

Travelers are waiting in 270-minute-long queues at America's busiest airports after nearly half the Transportation Security Administration officers called off work. Wait times have reached nearly five hours at George Bush Intercontinental Airport in Houston, Texas after 42 percent of TSA staff called out Tuesday. Security queues snaked around the Houston airport and through an underground tunnel as staff warned travelers whose flights were departing 'soon' that they 'may not clear security in time,' CNN reported.Nearly 50 percent of staff at Houston's Hobby Airport called off Monday, but chaos has since calmed at the Southwest hub with security wait times...