Are you wary of the swarms of festival zombies at Taste this 4th of July? You should be -- especially if you're equally wary of twentysomething John Mayer fans with a knack for high-pitched screaming. So run far away from Grant Park, party people, and head to Washington Park for the African-Caribbean Festival of Life. The 15th annual cultural bash teems with ethnic beats, eats and a marketplace. Tonight's musical heavyweight, Jamaican reggae singer Buju Banton, takes the stage at
