Sen. Dianne Feinstein defended Sunday her much-criticized grilling of a judicial nominee over her Catholic faith, saying that Amy Coney Barrett had made “questionable” statements in her writings. Ms. Feinstein said that she considered Catholicism to be a “great religion,” but that it was appropriate for the Senate Judiciary Committee to quiz Ms. Barrett about her religious beliefs. “Having said that, this is a woman who has no real trial or court experience,” said Ms. Feinstein on CNN’s “State of the Union.” “And therefore there is no record. She’s a professor, which is fine, but all we have to look...