'GMA's' Robin Roberts' coming out seen as significant

'Good Morning America' co-anchor Robin Roberts acknowledges her girlfriend. Given her high profile, media watchers say, she's become a role model for gay people of color. When "Good Morning America" co-anchor Robin Roberts took to her Facebook page to count her blessings, express gratitude for her recovery from a rare blood and bone marrow disease and thank her longtime girlfriend, Roberts didn't just come out. As one of the most prominent personalities on TV, media watchers said, Roberts became...