The age splits in this (obviously very early) CNN poll of 2020 Democrats are remarkable.

Under 45 years old
Sanders 32%
Biden 19%
O’Rourke 13%
Harris 10%
Warren 8%

Over 45 years old
Biden 36%
Harris 13%
O’Rourke 9%
Sanders 8%
Warren 5%https://t.co/Ur5kFEJfwx pic.twitter.com/LIp3tUzLUM

— Kevin Robillard 🇺🇸 (@Robillard) March 19, 2019