It's PATTI, not PATTY.
LuPone is giving the stronger performance IMO, but I also think the material is slightly partial to her. Ebersole is also excellent. Pitting them against each other is counterproductive to the ultimate message of the piece.
"Oh look at the time, three more intelligent plays just closed and THE ADDAMS FAMILY made another million dollars" -Jackie Hoffman, Broadway.com Audience Awards