 Every day I'm a victim, five days a week. In the Kaleidoscope with Alison Keyes segment, urban heat islands leaving tens of millions at risk. The lack of trees and lack of green space is where the heat problems really come. I'm Alison Keyes in Washington. The presidential race on fire amid questions over Democratic incumbent Joe Biden's fitness for office and Republicans gathering in Milwaukee next week to formally nominate former President Trump. We begin with CBS's Matt Piper.