Jim Hardy interview explaining his golf "theory" which is a good foundation for making sense of hitting info as well.

Starts at 11 min mark, skip the caddychicks stuff:

http://media.travelgolf.com/tg_blog_...podcast-37.mp3

this one starts at the 15 min mark

http://media.travelgolf.com/tg_blog_...podcast-38.mp3