When I go somewhere I want to remember, I affix a memento to the back of my truck.

Here in auto-saturated Los Angeles, the bumper sticker has always been a healthy form of self-expression. But in recent years, they've become far weirder than your average tourist-trap souvenir or ...

You may have seen them around town or in the news. Bumper stickers on Teslas broadcasting to anyone who looks: "I bought this before we knew Elon was crazy." You might assume it's there to prevent ...