The percentage of American adults who identify as "something other than heterosexual" continues to soar to record highs, especially among younger generations, according to a Gallup study released Thursday. Twenty-three percent — one in five — of Generation Z Americans, or those born between 1997-2006, identified as lesbian, gay, bisexual or transgender, the study found. Among millennials, or those born between 1981-1996, that number was 14.2%. Both younger generations indicated a sharp increase in LGBT identification compared to older ones, with Generation X reporting 5.1%, baby boomers at 3% and those born before 1946 reporting just 1.8%. The most recent...