What is it about extreme surfer John 'Cash' Cashman? Ambitious documentarian Rina Calhoun has filmed risk-taking sports enthusiasts before, but she's never made a private tape of one of these bad boys.... And it turns out the daring, hot movie version's got nothing on the real thing But Rina's X-treme documentary is turning into an X-asperating docudrama, since Cash won't sign her release form. No paper from him, no big break for her. Cash wants to...