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HENDERSON, NEVADA - FEBRUARY 23: U.S. Sen. Sherrod Brown (D-OH) speaks at the Lovelady Brewing Company as part of the Nevada Democratic Party's lecture series, "Local Brews + National Views" on February 23, 2019 in Henderson, Nevada. Brown, a potential Democratic presidential candidate, met with voters as part of his Dignity of Work listening tour of early-voting primary states. (Photo by Ethan Miller/Getty Images)

HENDERSON, NEVADA - FEBRUARY 23:  U.S. Sen. Sherrod Brown (D-OH) speaks at the Lovelady Brewing Company as part of the Nevada Democratic Party's lecture series, "Local Brews + National Views" on February 23, 2019 in Henderson, Nevada. Brown, a potential Democratic presidential candidate, met with voters as part of his Dignity of Work listening tour of early-voting primary states.  (Photo by Ethan Miller/Getty Images)