Ellen DeGeneres brought news of Disney/Pixar’s “Finding Nemo” sequel “Finding Dory” to Disney’s D23 Expo in Anaheim, Calif. Friday evening. Joined by helmer Andrew Stanton, co-director Angus MacLane and producer Lindsey Collins, DeGeneres and Co. discussed the sequel’s plot, which follow Dory on her quest to reunite with her family. Nemo and Marlin accompany the forgetful fish to “the...