A Supreme Court decision striking down a majority Black congressional district in Louisiana has amplified an already intense national redistricting battle by providing Republican officials in several states new grounds to redraw voting districts. In Alabama, Republican Gov. Kay Ivey announced Friday that she is calling a special legislative session to begin Monday in hopes that the Supreme Court allows the state to change its U.S. House map ahead of the November midterm elections. In Tennessee, Republican Gov. Bill Lee also announced a special session for the GOP-controlled Legislature to break up the state’s one Democratic-held House district, centered on the majority-Black city of Memphis. Louisiana already has suspended its May 16 congressional primary to allow time for lawmakers to approve new U.S. House districts, though that is being challenged in court.…