Jon Karl has the latest on the IRS considering revoking Harvard's tax-exempt status; RFJ Jr. contradicts experts on rise of autism diagnoses; Passengers are speaking out about a hard landing on a Frontier flight into Puerto Rico; Taheri Mafi launches 'Shatter Me' spinoff series; and more on ABC's Good Morning America. ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live