Investigating the U.S. Post Office: Can you trust the messenger?

CNBC's Kayla Tausche takes another look at the reliability of the U.S. Postal Service as millions of Americans plan to vote by mail during the 2020 election. Twelve NBC owned stations and NBCLX ( sent 426 first class letters between a dozen cities to see when they arrived.
Tue, Sep 29 20203:00 PM EDT