Two men and a baby... Tony Wood and Lee Matthews playing with baby Alexander. ============================================= An extraordinary documentary about how two gay men flew to America and hired a surrogate mother to have a son is set to rekindle the debate about what constitutes an Australian family.================================== In the US they call it the "gayby boom". In Australia, where laws vary, it is still the centre of emotional and ethical controversy. Tony Wood, 40, and Lee Matthews, 34, are an upper-middle-class professional couple who decided five years ago they wanted to be parents. The men each donated their sperm to...