CHRIS ALUKA BERRY  THE body of civil rights icon John Lewis crossed the Edmund Pettus Bridge on Sunday, decades after his "Bloody Sunday" beating there drew a national spotlight to the struggle for racial equality. A military honor guard carried his American flag-draped casket from Brown Chapel AME Church to a horse-drawn carriage, which crossed the rose-petal strewn bridge where the battering of Lewis by a white state trooper during a voting rights demonstration in 1965 became a focal point of the movement. The carriage driver wore black top hat and a white face mask to guard against spread of…