Human Rights Campaign, a national gay-rights group, launched a grass-roots effort to make the Deep South's culture more accepting of gays and lesbians. Brad Clark discusses the group's work in Mississippi.
Rogelio V. Solis/AP
Black demonstrators run down a Natchez, Miss., street in 1967 after a report that several white youths with a gun were near. The town's civil rights past informs author Greg Iles' crime fiction.
A missing persons poster displays the photographs of civil rights workers Andrew Goodman, James Earl Chaney and Michael Henry Schwerner after they disappeared in Mississippi in June 1964. It was later discovered that they were murdered by the Ku Klux Klan.
Mississippi Sen. Thad Cochran, who is seeking his seventh term, is in a heated primary race with a Tea Party-backed challenger. Supporters of his opponent are accused of conspiring to photograph Cochran's bedridden wife.
J. Scott Applewhite/AP