The 2020 Democratic field could produce the oldest or youngest president in history — here's how old all 20 candidates would be if they took office

8:49am PDT - April 26th, 2019    tulsi gabbard - Business Insider

The 2020 Democratic primary field is one of the most diverse in history in terms of age. Mayor Pete Buttigieg, 37, Reps. Tulsi Gabbard and Eric Swalwell, 38, and Rep. Seth Moulton, 40, are all attempting to overtake Teddy Roosevelt's status as America's young…