Hold the phone! We JUST found out that today, Wednesday, July 19th is National Hotdog Day. We clearly love hot dogs (we created a sock dedicated to them after all!), and wanted to share some good ol' hot dog goodness with you to celebrate. Whether you're hitting the ballpark or not today, let's celebrate this all-American treat the right way.  Check out our favorite hot dog sock! Doggonit, it's not to be missed whether it's a national holiday or not.   Discover which eating establishments in your neck of the woods are offering free hot dogs.  Who won the Serious Eats mustard contest? (because all...