Philadelphia, Pennsylvania (CNN) -- "We are on the right side of history! We are on the side of individual freedoms and liberties and, dammit, we will reclaim the civil rights moment. We will take that movement -- because we were the people who did it in the first place." -- Glenn Beck, on his nationally syndicated radio program, May 26. It is Glenn Beck's most audacious stunt yet: This Saturday, in the company of former Alaska Gov. Sarah Palin, the National Rifle Association and others, the Fox News Channel host will stand in the sacred shadow not just of the...