The president has moved up his Supreme Court nominee announcement to Tuesday. He is expected to choose from one of three judges, any of whom would be a socially conservative voice on the court.
The service was conducted by the son of the deceased Supreme Court justice, who is a Catholic priest. Scalia's casket was carried into the basilica by his sons and sons-in-law.
Justice Antonin Scalia's body lies in repose on Friday at the Supreme Court where dignitaries — including the president — and the general public will pay their respects.
NPR's Nina Totenberg explains how the idea that the Constitution is "not living but dead" transformed the Supreme Court during Antonin Scalia's tenure as a justice.
