(Editor's note: This story has been updated to include the names of Jennifer Santos and Susan Davis.) Senior Democrats have named additional members to a key reform commission that could make dramatic changes to the Pentagon's decades-old budget planning processes. Arun Seraphin, deputy director of the National Defense Industrial Association’s Emerging Technologies Institute, Jamie Morin, vice president of defense systems operations at The Aerospace Corporation, Jennifer Santos, a consultant who previously served as deputy assistant secretary of defense for...