2020 Democratic presidential hopeful Sen. Elizabeth Warren stumped in the shadow of the famous Washington Square Arch Monday night as a crowd of thousands -- 20,000 according to her campaign -- largely cheered her on. The presidential hopeful presented her plan to fight corruption in Washington, a message that included a cautionary warning about multiple layers of impropriety in the United States. Cheddar's Justin Chermol explains how the crowd, and lawmakers, reacted.