 in the Oval Office, negotiating bipartisan deals. And out on the campaign trail, she has been defending Biden, trying to refocus this race on Trump. NPR's Asma Khalid reporting. An extremely dangerous heat wave persists in several western states. Forecasters say temperatures could skyrocket to 120 degrees or more in some parts of Arizona, California, and Nevada. At least a dozen western cities have broken heat records in the last week. An NPR