20 million people strong. >> reporter: new york is at the heart of her campaign message. >> when some say we can solve america's problems by building walls, banning people based on their religion, and turning against each other, well -- this is new york. and we know better. >> reporter: she has a lot of supporters here. >> it's time we had a woman in the white house. don't you think so? >> you trust her? >> do you think you can trust any politician, darling? >> reporter: new yorkers have twice elected her to the u.s.