Which of these was the worst pre-television appearance meltdown?

* A. Jim Morrison's, prior to his 1968 Smothers Brothers performance. * B. David Crosby, just before his 1965 Ed Sullivan performance. * C. Chris Christie, before delivering his 2012 RNC keynote. * D. Elton John, from his greatest hits in Tantrums and Tiaras.

Which of these was the worst pre-television appearance meltdown?