Morning Digest: Joe Arpaio's toxic legacy looms over the race for his old job

_{The Morning Digest is compiled by David Nir, Jeff Singer, and Stephen Wolf, with additional contributions from the Daily Kos Elections team.}

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Leading Off

● Maricopa County, AZ Sheriff: While it's been almost eight years since Joe Arpaio lost reelection as Maricopa County sheriff, the legacy of the Arizona Republican who spent decades as one of America's most venal and abusive law enforcement officials is playing a key role in both party's July 30 primaries for his old job.

We'll start on the Democratic side, where appointed incumbent Russ Skinner is trying to turn back former Phoenix police officer Tyler Kamp. Skinner used last week's debate to emphasize his 34 years with the department, including as the top deputy to the previous sheriff, Democrat Paul Penzone. (Penzone resigned early this year to take a job in the health insurance industry.)