We may receive a commission on purchases made from links. Stickers on car's windshields are one of the simplest but most effective ways of relaying information. For instance, in Texas, stickers are ...

In the Dec. 3 column in the Metro section, Dr. Gridlock ran a letter from George Thoma, of Bethesda, who reported that a friend in the District found one-quarter of his license plates, front and back, ...