Just when you thought measles was ancient history......ABC News reports on new trouble. Look out for the spots because the measles are back, according to Dr. Tom Frieden, director of the Centers for Disease Control. Dr. Frieden reports 175 measles cases in the U.S. this year, 3 times the usual average. That's the bad news; the good news is two doses of vaccine - not one - will protect children and adults. Experts say most of the new cases are spread by someone coming into the U.S. from overseas, or someone who had traveled abroad.