The Washington Post is inviting readers to put on their mayor's hat and grapple with balancing the Capital City's budget in the midst of a $591 million budget shortfall with an interactive city budgeting tool.  Do you increase taxes?  If so, where?  Where can you cut spending? Can you balance…

This is perfect fun for the wonks among us. Take the Philly budget challenge from the Economy League of Greater Philadelphia, and see if you can outsmart Mayor Michael Nutter on where to cut and where to tax.  Here's the link.