OpinionOpinion L.A.

Rep. Jesse Jackson Jr.

Diseases and IllnessesJesse Jackson Jr.Mayo ClinicJesse JacksonAlzheimer's DiseaseRonald Reagan
Rep. Jesse Jackson Jr. (D-Ill.), the son of famed civil rights crusader Jesse Jackson, spawned a mystery this summer when he vanished from his congressional duties, with his office simply citing "exhaustion." Two months later, the explanation for his disappearance came not from Jackson but... Harry Hamburg / Associated Press