With a raucous Republican crowd urging him on, Sen. Zell Miller unleashed a white-hot attack on fellow Democrat Sen. John Kerry last night — charging that the Massachusetts pol's anti-terror policies add up to a "bowl of mush." As the first member of an opposing party to deliver the keynote address at a national convention, Miller used his prime-time slot to slam Kerry with some of the most vitriolic language heard during the GOP gathering. After listing a slew of defense programs that Kerry voted against during his Senate career, Miller asked, "This is the man who wants to be...