"She said that wives' submission to their husbands used to be the teaching of the Church, but now the current pope has changed that doctrine and that all Catholics are required to change their view to coincide with his new understanding."
Max,
can you give an citations to support her assertion. Thanks.
Regarding what she meant when she said that the current pope has changed the teaching on submission in marriage, you might want to read this article by Robert Sungenis:
Does St. Paul Teach “Mutual Submission” of Spouses? A Critical Analysis of Mulieris Dignitatem