Barack Obama is in Kansas City today,
renewing his emphasis on economic themes.
The Illinois senator is wending his way westward through a
handful of battleground states -- like Missouri -- before arriving in
Denver to accept his party's presidential nomination at the
Democratic National Convention.
Obama spoke to workers at a giant hangar in Kansas City where
American Airlines planes are serviced. The plant employed 3,500
people in 2001, but the work force has since been cut to about
Obama criticized what he called the Bush administration's lax
enforcement of OSHA rules, and pledged to strengthen them.
Right now, aides say Obama's main priority is preparing the
speech he will deliver Thursday night in Denver