Complex sentence: His most notorious stunt resulted in an on-air feud with Stern, who made an on-air promise to bring to the show members of the band Bon Jovi, with whom Stern was feuding, but they did not show up, nor did Kinison.
Split into simpler sentences: His most notorious stunt resulted in an on-air feud with Stern. Kinison made an on-air promise to bring to the show members of the band Bon Jovi, with whom Stern was feuding, but they did not show up, nor did Kinison.