(By Rami al-Shaheibi and Hadeel al-Shalchi, The Associated Press) Moammar Gadhafi's former heir apparent Seif al-Islam was captured by revolutionary fighters in the southern desert Saturday just over a month after his father was killed, setting off joyous celebrations across Libya and closing the door on the possibility that the fugitive son could stoke further insurrection.Seif al-Islam - who has undergone a transformation from a voice of reform in an eccentric and reviled regime to one of Interpol's most-wanted - now faces the prospect of trial before an international or Libyan court to answer for the alleged crimes of his late father's four-decade rule over the oil-rich North African nation.