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.

Question: What was her reason for coming out?
Self-contained rewrite: What was Rosie O'Donnell's reason for coming out?