CNBC Investigates: How reliable is the U.S. Postal Service?
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CNBC Investigates: How reliable is the U.S. Postal Service?

CNBC's Kayla Tausche takes a look at the reliability of the U.S. Postal Service as millions of Americans plan to vote by mail during the 2020 election.
03:11
Mon, Aug 31 202012:53 PM EDT