I couldn't figure out what to do about this, largely because I've managed to somehow miss every single time any president has come through the Valley, and I was pondering taking a picture of one of John McCain's houses (we live near the condos where one of his many residences is), but then I remembered I had something:
When my Dad passed away, I found these (and many other little things) in his desk drawers. I assume the LBJ for the USA (it changes from picture to slogan when you move it back and forth) was his own, and possibly were the Humphrey and the Kennedy pins (although when I knew him, he was a pretty conservative Republican--hence Nixon), but I'm not sure who the "Taft of Ohio" pin came from!