Stymied by delayed census data needed for redistricting, some states are considering postponing their 2022 primaries or turning to other population estimates to start the once-a-decade task of redrawing voting districts used for U.S. House and state legislative elections.The U.S. Census Bureau was supposed to provide redistricting data to the states by March 31, but after setbacks from the pandemic, it won’t be ready until mid- to late August and might not be available in an easy-to-use format until Sept. 30. That …