Erielle Reshef reports on the Christmas Eve winter blast creating slick roads for last-minute holiday travelers from Philadelphia to New York and Boston; ABC7 Chief Meteorologist Lee Goldberg tells us if a White Christmas is in our future; Perry Russom has new details on a boat explosion in Florida that killed one person and injured several others; Senior White House Correspondent Selina Wang reports on how President-elect Trump is responding to President Biden's controversial decision to commute the sentences of nearly all federal inmates on death row; and more on ABC World News Tonight.