PreCheck Expansion. The Transportation Security Administration plans to expand its expedited passenger security screening program to 60 more airports by the end of 2013, bringing to 100 the number of airports where pre-approved travelers can participate in the PreCheck program. The program is currently open to select passengers flying on seven airlines with two additional air carriers in the process of establishing the capabilities to participate. Travelers using PreCheck lanes get to leave on their shoes, light outerwear and belt,…