By Dr. Stephanie McGann, DMD FAGD, Columnist, The Times Don’t get fooled. There are a lot of crazy things going on in the world right now, and now we need to watch out for the return of the “snake oil” salesmen.  While we all know that the myriad of “lose weight while you sleep” pills are bogus, now we have to beware of folks preying on unsuspecting people with dental needs.  Everytime...