CORINTH, Miss. (AP) — A Mississippi man accused of mailing letters with suspected ricin to national leaders believed he had uncovered a conspiracy to sell human body parts on the black market and sometimes performed as an Elvis Presley impersonator. Paul Kevin Curtis, 45, was arrested Wednesday at his home in Corinth, near the Tennessee state line about 50 miles north of Presley's birthplace in Tupelo. Read More

DALLAS — American Airlines played catch-up Wednesday, resuming most flights and even adding a handful that were not on the schedule to help passengers stranded by a massive technology failure that grounded the carrier's entire U.S. fleet.A day after the nationwide breakdown, some cancellations persisted, and delays were still common. About a third of American flights were late as of mid-afternoon.American's CEO blamed Tuesday's failure on a software problem that knocked out computers needed for booking flights, tracking bags, loading and fueling planes and more. Read More

BOSTON — In what could be major break in the Boston Marathon case, investigators are on the hunt for a man seen in a department-store surveillance video dropping off a bag at the site of the bombings, a Boston politician said Wednesday. Separately, a law enforcement official confirmed that authorities have found an image of a potential suspect but don't know his name. Read More

Q: I’ve heard I can have my high cholesterol filtered out of my blood, just like kidney dialysis. Is that true? — Jamie C., Chicago A: Yes and no. There’s a treatment called LDL apheresis that is designed for people who can’t lower their abnormally high levels of “lousy” LDL cholesterol with lifestyle changes and medications. LDL apheresis filters out the lousy cholesterol from your blood, and leaves good HDL cholesterol behind. Read More