Wayne Frost, a hip-hop pioneer known as Frosty Freeze whose acrobatic performance with the legendary ROCK STEADY CREW in the 1983 hit movie "FLASHDANCE" set off a worldwide breakdancing craze, died Thursday. He was 44. Frost died at Mount Sinai Medical Center after a long illness, said Jorge "Fabel" Pabon, senior vice president of the musical group where Frost made his name as a B-boy or breakdancer...