For more than a decade National Priorities Project's Cost of War site has been keeping track of real-time federal spending on the wars in Iraq and Afghanistan. But now the Cost of War site is going to tackle new terrain.

Right now in Baltimore, top elected officials from cities across the country are meeting for the 79th time since the founding of the U.S. Conference of Mayors during the Great Depression. The group consists of more than 1,200 mayors, representing cities with 30,000+ residents. This year's meeting marks a rare ...