You know that--and I know it. They would rather publish a retraction on page 59 than miss an opportunity to get a slam on Bush in the www.yahoo.com hompage AP headlines.
You are correct about SOME former Navy impersonating SEALS. I saw a TV program that talked about it once--and you are right---the imposters needed to "talk the lingo" a bit in order to pass themselves off.
In most cases, the program said they were disguntled Navy enlisted who held various service jobs.
Here is the link to the SEAL Hall of Shame