Half a million voters were purged from the voter roll by the Republican candidate for governor in Georgia. How are voter purges influencing elections this year? And in Texas, the president rallied for his former rival Senator Ted Cruz. Why does the president need to rally for a candidate in a heavily Republican state? This episode: White House correspondent Tamara Keith, national political correspondent Mara Liasson, political editor Domenico Montanaro, WABE reporter Johnny Kauffman, and KUT reporter Ashley Lopez. Email the show at email@example.com. Find and support your local public radio station at npr.org/stations.