Pete Buttigieg looking to become first openly-gay president
South Bend, Indiana, Mayor Pete Buttigieg has found himself near the top of another poll this week, ranking third behind Sen. Bernie Sanders and former Vice President Joe Biden in the University of New Hampshire "Granite State Poll." David Weigel, a national reporter covering politics for The Washington Post, and former Houston Mayor Annise Parker, who now leads the LGBTQ Victory Fund, join CBSN's "Red & Blue" with a look at the historical significance of Buttigieg's candidacy.