BBC is facing mounting pressure to apologize for a controversial online news story about transgender women and lesbians, after more than 16,000 people signed an open letter calling on the British broadcaster to do so.The article, published on October 26, interviewed several lesbians who felt "pressured into sex by some trans women."In the article, the author, Caroline Lowbridge, acknowledged that the subject would be "hugely divisive," but she said she "wanted to find out how widespread the issue was." Lowbridge also recognized that it's difficult to research the true scale of the problem because there has only been one survey into the issue.Campaign group TransActivism published the open letter later that day, saying that the article.