he have more skill

David Ray Griffin, retired American professor of philosophy/religion that make his popolarity with special skill at 9/11 conferences, with his gestures (2 fingers paralyzed addressed to the sky)
(image edited)

Richard Gage Study

how to lose the credibility with a comparaison after more years of supposed collapse study
(from video of Toronto Earring congress, Richard Gage speak of WTC demolition with his professional study/images)