Dawkins mainly because of his promotion of scientific awe, but see also:
“Persinger & Dawkins” http://www.youtube.com/watch?v=Y_-txbHNyOY
Dennett, mostly because of this, 58 minutes in:
“Sam Harris at AAI 07” http://video.google.com/videoplay?docid=2089733934372500371
Dawkins mainly because of his promotion of scientific awe, but see also:
“Persinger & Dawkins” http://www.youtube.com/watch?v=Y_-txbHNyOY
Dennett, mostly because of this, 58 minutes in:
“Sam Harris at AAI 07” http://video.google.com/videoplay?docid=2089733934372500371