Whoa... Mary-Kate Olsen has entered treatment for an eating disorder her publicist told USA Today today. "She made a very courageous, precautionary decision," said Michael Pagnotta, the twins' longtime publicist. "Mary-Kate is taking charge in making this decision. She wants to be healthy." WHAT ABOUT ASHLEY?! Ashley Olsen is doing fine, says Pagnotta. "Ashley has complete faith in Mary-Kate and ...