TODAY News, March 20: Chaos Growing At Nation’s Airports | U.S. Sends More Troops to Mideast as Attacks Escalate | Fallout at the Bachelorette

Airport security waits are worsening nationwide, and with unpaid TSA agents and spring break travel, lines could get much worse. Also, airstrikes continue to escalate in the Middle East as troops head to the region. And, ABC cancels “The Bachelorette” season after domestic violence video of star Taylor Frankie Paul surfaces.