It's President James Garfield's birthday - when he was shot, Alexander Graham Bell showed up with a metal detector to try to locate the bullet. Born in Moreland Hills, Ohio to a widowed farm wife, Garfield worked at a series of menial jobs but eventually attended Williams College, graduating in 1856. He entered politics as a Republican and served in the Ohio State Senate until the outbreak of the Civil War, in which he saw combat as a Union major general. In 1862 he was elected to the U.S. House of Representatives and served in that body until 1880, after...