As it attempts to hold and possibly expand upon its newly won congressional majority, the House Democrats' campaign arm is planting an early marker in hopes of preventing primary challenges against sitting incumbents. MODERATE DEMS FUME OVER OCASIO-CORTEZ INCUMBENT HIT LIST“The core mission of the DCCC Is electing House Democrats, which includes supporting and protecting incumbents. It’s common practice for both the Democratic and Republican House and Senate re-election arms to protect incumbents running for re-election. The move could help moderate Democrats running for re-election in crucial swing districts, and even some controversial liberal lawmakers. And socially conservative Democratic Rep. Dan Lipinski nearly lost in his primary to progressive challenger Marie Newman.

Source: Fox News March 22, 2019 20:03 UTC