The U.S. military has been criticized recently -- notably in a June 2010 series from NPR and ProPublica -- for how it has treated soldiers who suffered them during service in Iraq and Afghanistan.
Held in Reno and sponsored by MSHA, the national contest features 38 teams from 16 states. Awards will be presented Thursday.
By early 2011, nine states will have laws on their books banning use of hand-held cell phones while driving. Twenty-seven states have primary enforcement texting bans in place or will begin primary enforcement this year.
NTSB's report about the June 2009 fatal collision of two trains on the Washington, D.C., Metro system's Red Line blames a bad control circuit but also indicts a safety program that is being overhauled.