NEW YORK - Wayne "Frosty Freeze" Frost, a hip-hop pioneer whose acrobatic performance with the legendary Rock Steady Crew in the 1983 movie "Flashdance" helped set off a worldwide breakdancing craze, has died. He was 44. Frost died Thursday at Mount Sinai Medical Center after a long illness, said Jorge "Fabel" Pabon, a senior vice president of the crew where Frost and other so-called b-boys (for beat or break boys) made their name performing complicated and daring dance routines. "He was one of most charismatic b-boys that ever lived," said Benson Lee, director of the new documentary film "Planet B-Boy."...