DALLAS (AP) — Texas Republican Sen. John Cornyn is trying to hold on for a fifth term in Tuesday’s GOP primary, while Democrats will choose whether to send Rep. Jasmine Crockett or state Rep. James Talarico to a November general election where the party once again hopes it has a chance. Texas is one of three states kicking off this year’s midterm elections, a slate of primaries that come as the U.S. and Israel are at war with Iran. The war, which began over the weekend, has killed at least six