Sean McElwee is a co-founder of Data for Progress and tweets at @SeanMcElwee.
How the Left Can Win in 2020: Primary Centrist Democrats in Blue Districts
Progressives such as Alexandra Ocasio-Cortez, Deb Haaland and Rashida Tlaib show how insurgent candidates can push the whole party left.
Don’t Endorse Bernie Yet—Make Candidates Compete for the Left Vote
Keep the left lane open.
Progressives Have Won the Battle to Redefine What an “Establishment Candidate” Is
Recent elections show that in 2018, centrists no longer reign supreme.