Pedestrian issues around the USA.
--We look at planning for the largest pedestrian event in Washington history, President Obama's inauguration.
--Thousands of cyclists took advantage of valet bicycle parking for the inauguration.
--We learn about Humana's Freewheelin' bicycle sharing program in Louisville, Kentucky.
--Humana took their bicycle program to the Democratic and Republican National Conventions.
--We talk with a convention delegate who tried out the shared bicycles.