Beto O’Rourke speaks in Iowa after launching his 2020 bid: “We have the single greatest mechanism to call forth the genius of our fellow human beings. This democracy … can bring the ingenuity, the creativity, the resolve of an entire country” https://t.co/vjldpxJmP9 pic.twitter.com/Iwfs5Yr7TC— CNN Politics (@CNNPolitics) March 14, 2019