Conversation so far:
When did Rosie O'Donnell come out?
In her January 31, 2002 appearance on the sitcom Will & Grace, she played a lesbian mom.
A month later.
A month later what?
month later as part of her act at the Ovarian Cancer Research benefit at Caroline's Comedy Club O'Donnell came out as a lesbian.
What was her reason for coming out?
don't know why people make such a big deal about the gay thing.
What else did she say about it?
...
People are confused, they're shocked like this is a big revelation to somebody..
How did her fans react?
CANNOTANSWER.
Was there any reaction?
O'Donnell was named 2002's "Person of the Year" by The Advocate, and in May 2003, she became a regular columnist for the magazine.

Question: For which magazine?
Self-contained rewrite: For which magazine was Rosie O'Donnell a regular columnist for in May 2003?