--When: 3 p.m. today; 9:30 a.m. Saturday; 3 p.m. Saturday

--Where: Colonial Life Arena

--Speakers: U.S. Supreme Court Justice Sonia Sotomayor; former U.S. Ambassador to China Jon Huntsman; and M. Edward Sellers, chairman of New Carolina

--When: 7 tonight

--Where: Oliver C. Dawson Football Stadium.

--Speaker: Gen. Colin Powell, former secretary of state.

--When: 7 tonight

--Where: North Charleston Coliseum.

--Speaker: William Geary of Boeing South Carolina.

--When: 9 a.m. Saturday

--Where: McAlister Field House.

--Speaker: George Will, Washington Post columnist and ABC News commentator.

--When: 5 p.m. Saturday

--Where: McAlister Field House

--Speaker: Gene Budig, co-owner of the Charleston RiverDogs

--When: 10 a.m. Saturday

--Where: North Charleston Coliseum.

--Speaker: Chai Ling, founder, president and chief operating officer of Jenzabar and former student leader in the 1989 Tiananmen Square uprising.

--When: 10 a.m. and 4 p.m. Saturday

--Where: Cistern Yard.

--Speaker: Dr. Richard Besser, ABC News senior health and medical editor.

--When: 10 a.m. Saturday.

--Where: Washington Park.

--Speaker: George W. McDaniel, executive director of Drayton Hall.

--When: 9:30 a.m. and 2:30 p.m. May 13

--Where: Littlejohn Coliseum

--Speaker: (No guest speaker)

--When: 2 p.m. May 14.

--Where: McAlister Field House on The Citadel campus.

--Speaker: U.S. Sen. Lindsey Graham.

--When: 9 a.m. May 20.

--Where: The Horseshoe.

--Speaker: Darius Rucker, country music star.

--When: 10 a.m. June 18.

--Where: Charleston Music Hall.

--Speaker: Artist Jonathan Green.