Bob Odenkirk and David Cross (Tribeca) It really does come down to the size of the pillow. It's certainly not to take away from the major accomplishments that Bob Odenkirk and David Cross completed during their new documentary, Bob and David Climb Machu Picchu, which premiered this past Saturday at Tribeca Film Festival. But Bob's climb counts a little bit more, and we all know it. The documentary is an exciting feature, filmed during the four day trek the Mr. Show duo took i