this mng o this morning on "world news now" -- autism epidemic. the dramatic increase in the number of american children diagnosed with autism or similar conditions. >> public health experts say 1 in 88 kids in the u.s. is autistic. and advocates are demanding more research and better services. it's friday, march 30th. from abc news, this is "world news now." >> good friday morning, everybody. i'm rob nelson. >> i'm tanya rivero. paula faris is on assignment. those startling new numbers on autism appear to be a sign of better diagnosis skills over the past few years. and it's not necessarily a dramatic upswing in the number of cases federal experts say. but it's still alarming and a big wake-up call for the health