In New Hampshire, it's more than a tradition to hold the nation's first presidential primary; it's the law. Since 1975, New Hampshire's secretary of state has been required to set a date for the primary that comes before any other contests. Iowa, the sole exception, is grandfathered in at eight days before.
But soon, the Granite State may have to defend its position. NPR's Art Silverman speaks with New Hampshire Secretary of State Bill Gardner.