U.S. same sex marriage ruling: Beware Lewis Powell's regret

' height='259' alt='Supreme Court Gay Marriage' width='460' src='http://news.guugll.com/wp-content/uploads/2015/04/u-s-same-sex-marriage-ruling-beware-lewis-powells-regret.jpg' />

While U.S. Supreme Court Justices consider the shifting attitudes in America around same-sex marriage, they might also reflect on Lewis Powell, the Justice who once believed he’d never met a gay person, writes Keith Boag.