As the U.S. Supreme Court prepares to weigh in on gay marriage, Mary Gallagher, one of the nation's leading voices in opposition to same-sex marriage, is also preparing for what might come next.
Gallagher, co-founder of the National Organization for Marriage, likes to call herself an "accidental activist." After graduating from Yale in 1982, she thought she'd become a writer and focus on what she called "important things," like money and war.