During a Tuesday night appearance on “The Late Show with Stephen Colbert,” Sen. Kirsten Gillibrand (D-NY) announced that she is officially running for president, joining what looks to be a crowded field of Democratic contenders.
“I’m going to run for president of the United States, because as a young mom, I’m going to fight for other people’s kids as hard as I would fight for my own,” Gillibrand said. “Which is why I believe that healt...