NNNYT Newsπ€Open Primaries Have Their Fans. The Parties Are Not Among Them.New research claims that bipartisan primaries have broad societal benefit, but opposition is growing, and Louisiana voters this weekend will participate in the stateβs first closed primary since 1978.By Anna Griffin and Kellen Browning[1] The New York Times5/14/2026, 8:36:07 PM00000