SALT LAKE CITY (AP) -- Rep. Christine Johnson will serve an additional role when the Utah Legislature convenes this month. The lesbian lawmaker announced she's a surrogate mother, carrying a baby for two gay men. Johnson, D-Salt Lake City, said she decided to become artificially impregnated with sperm from one of the men after the two close friends expressed frustration over the difficulty of adopting a child. Utah law prohibits unmarried couples from adopting and does not recognize gay marriage.....