Whit Johnson reports from the scene at Brown University after a deadly shooting leaves two people killed and nine others injured, with a person of interest now in custody; Authorities investigate a mass shooting at Australia's Bondi Beach during a Hanukkah celebration that killed at least a dozen people, calling it a terror attack targeting the Jewish community; ESPN's Herm Edwards breaks down Week 15 of the NFL as playoff spots hang in the balance; and more on ABC's Good Morning America.

Millions of Americans are taking to the roads and the skies in what is expected to be a record-breaking holiday travel season; As millions around the country get ready to spend the holidays together, ABC News Medical Correspondent Dr. Darien Sutton reports on the latest of the uptick of flu cases nationwide; ESPN football analyst and veteran head coach Herm Edwards breaks down the must-see NFL matchups as the regular season ticks down to the last couple of weeks; and more on ABC's Good Morning America.