Bernie Sanders gets personal as he hits the 2020 campaign trail

At a rally in Brooklyn, near the New York City neighborhood where he grew up in a small, rent-controlled apartment, Sanders contrasted his spare upbringing with Republican President Donald Trump's privileged youth as the son of a New York real estate developer."My experience as a kid, living in a family that struggled economically, powerfully influenced my life and my values," Sanders said at a campaign kickoff rally at Brooklyn College, where he once attended classes."Unlike Donald Trump, who s