news updates on cbssf.com if you can, and we hope you can, stay cool. we will ♪ captioning sponsored by cbs >> garrett: tonight, new fallout after some americans are warned their mailed-in votes might not count. the u.s. postal service sounds the alarm about delivery delays. fingers are pointing at the trump appointed postmaster general for cutting costs and service. >> it is a slap in the face to every dedicated postal worker. >> garrett: today protesters gather outside of his house while the president is accused of "abuse of power." >> the problem with the mail and voting number one you will never know when the election is over. >> garrett: also tonight persistent pandemic. the u.s. breaks a single day infection record in august. new fears that students in school may spread the virus. extreme summer weather. wild fires and triple digit heat scorch the west while tornadoes batter the midwest. democrats get set for a zoom