Supreme Court Justice Antonin Scalia to Be Laid to Rest

Who should fill the seat left vacant by justice antonin Scalia. This morning, a funeral mass will be held for Scalia, one day after thousands filed past his casket inside the supreme court's great hall and ABC's Devin Dwyer is in Washington with more on this story.
Reporter: Good morning, Dan. 4,000 family and friends of justice Scalia and more than 100 clergy expecting to fill this basilica. The mass will be celebrated by the justice's son, Paul Scalia. A final farewell to the father of nine. Justice antonin Scalia lying in repose in supreme court. Today will be laid to rest. Sidewalk memorials to the justice, adorned with jars of apple sauce alongside candles. President and Mrs. Obama among the thousands who have paid respects. Armed with research, the president's today is preparing for a nomination battle. The president will be dedicating a significant portion of his weekend digging into that information.
Reporter: Likely on the list, all appointed to the federal bench with support. The republicans have a right what the philosophy of the nominee. They only get to dispose. The president proposes. Reporter: Senate republican leaders said the president's pick is dead on arrival and that replacing Scalia should wait until a new president in 2017, writing in the Washington post, the American people rather than a lame-duck president should be afforded the opportunity to replace justice Scalia. And among the attendees, vice president Joe Biden will represent the Obama administration. Justice Clarence Thomas will deliver a scriptural Reading. And Ted Cruz of Texas, says he'll attend today.