The eyes of the political world will once again turn to South Carolina on Friday, where state Democrats and Republicans plan to hear from two potential 2016 presidential candidates -- and one who might run a few years later.

Vice President Biden, who hasn't ruled out running to succeed his boss, plans to speak Friday night at the annual Jefferson-Jackson Dinner, where he'll be joined by his old Senate friend Fritz Hollings and Rep. James Clyburn (D-S.C.), among other party officials. After the dinner, the party faithful will decamp to Clyburn's annual Fish Fry, a legendary and must-attend event for anyone harboring serious presidential ambitions.