Confirming "rumbles" out of Chicago reported here on Friday, ex-president Bill Clinton did indeed bring his saxophone along for an appearance that evening with the "Saturday Night Live" "Blues Brothers" team of Dan Aykroyd and Jim Belushi. The musical threesome was on hand to celebrate the opening of Connecticut's new Mohegan Sun casino, which reportedly lured Clinton to do the show with "a heavy dose of wampum from the Tribe for his presidential library." According to the account of Boston Herald gossip mavens Gayle Fee and Laura Raposa, Clinton accepted an award for his help in securing the Mohegans...