Varadkar becomes Irish PM-in-waiting in social, generational shift

By Padraic Halpin and Conor HumphriesDUBLIN (Reuters) - Ireland's governing Fine Gael party elected Leo Varadkar as its new leader on Friday, choosing the gay, 38-year-old son of an Indian immigrant to succeed Enda Kenny as prime minister in a striking sign of the country's rapid social change.Bar an unexpected development, Varadkar will be voted in as prime minister when parliament next sits on June 13 and become the once-staunchly Catholic country's first openly gay premier and the youngest pe