Terri Lynn Land walks in the Labor Day Parade in Romeo, Mich., on Sept. 1. Land has made some public appearances like this one but overall is running a low-key race in the state.
Former Secretary of State Hillary Clinton, former President Bill Clinton and U.S. Sen. Tom Harkin work the grill during Harkin's annual fundraising steak fry in Indianola, Iowa, on Sunday.
President Gerald Ford and First Lady Betty Ford, with Jack and Susan Ford at their Alexandra, Va. home on August 12, 1974. The Ford family lived there for ten days until the executive mansion was ready.
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A portrait of then-Sen. Warren G. Harding a few years prior to being elected president in 1920. Harding typically ranks near the bottom of U.S. presidents — but a steamy trove of love letters is putting him back in the public eye.
Library of Congress