Originally Posted by kaldaniels
Dumb move by Walt if you ask me. But it could happen.
However after his first "close call" with "W.W." (the flashback scene), he should have put 2 and 2 together and pitched the Whitman book.
One other thing that helps Hank connect the dots:
During the dinner scene where Walt got drunk on wine and told Hank that Gale isn't the guy he was looking for and that Gale was simply following instructions from someone else.
Prideful drug dealers do stupid things all the time.
Also I would like to apologize for my stupid typing errors. My typing skills on the Ipad are lacking.