For many, July 4 is a day for brass bands and bombs symbolically bursting in air. For others, grown up in the shadows from Vietnam to Iraq, it’s hard to embrace a rah-rah patriotism. What’s a patriotism for religious liberals, which holds America to her dreams without looking away from her nightmares? When religious and political fundamentalisms try to hijack America’s symbols, from Old Glory to the Constitution, how do we recapture the flag?