In a letter to a Republican member of the U.S. Senate, Clarke has issued an apology "on behalf of my constituents" for Flynn's blunt Capitol Hill testimony last week in support of an assault-weapons ban.
The sheriff accuses Flynn of being "embarrassing" and "rude," and hostile to gun rights in the letter, sent to South Carolina's Lindsey Graham, a member of the judiciary committee that heard Flynn's testimony.
"Please do not see (Flynn's) arrogance as exemplary of the people of Milwaukee County," Clarke writes.
Clarke and Flynn have traded harsh words over guns since the Newtown, Conn., school shootings last December renewed a national debate over violence, safety and firearms.
Clarke has used public service announcements to encourage residents to arm themselves, generating national news and drawing flak from Flynn, Milwaukee Mayor Tom Barrett and others. Barrett and Clarke even squared off during a segment with CNN host Piers Morgan.....