Dwyane Wade knows they all won't be this easy. Wade began defense of his NBA scoring title with 26 points, Jermaine O'Neal finished with 22 points and 12 rebounds, and the Miami Heat opened with a 115-93 win over the New York Knicks on Wednesday night. New starting power forward Michael Beasley scored 21 for Miami, which made 26 of 31 shots in a staggering 20-minute stretch spanning the…