Whether ID is needed at polling booths is currently up to each individual state, meaning there is a patchwork of different rules.
The Supreme Court on Wednesday refused to block new California congressional districts that favor Democrats.
The new map still requires approval from the courts and the voters but, if enacted, it could help Democrats win four more House seats.
With newly drawn maps, California may elect five more Democrats to Congress while Texas elects five more Republicans.
Governor Moore speaks out on the push to redraw congressional maps mid-decade. Maryland Senate leader remain skeptical.