Cordray, who served as the federal consumer watchdog under Obama, retorted on Twitter, "Very telling that you think $12 billion back to 30 million consumers is a failure". I need you all to understand that.
The polls have closed in OH, where voters are choosing Democratic and Republican nominees who will vie for the governor and U.S. Senate in this fall's general election.
The GOP state attorney general beat his primary challenger Lieutenant Governor Mary Taylor by a comfortable margin of more than 15,000 votes.
Slotnick emphasized Kucinich's plan for single-payer health care in OH and Kucinich's pledge not to take corporate money for his campaign as reasons for supporting him.
KELLY: Voters there in Ohio, Indiana and West Virginia on the choices they made today in their states' primaries. Troy Balderson won the crowded Republican primary.
The Democratic Governors Association wasted no time launching a web site targeting "Crooked Mike". Incumbent John Kasich (R) is term-limited.
Members of the national Democratic Party's progressive wing have lined up on either side of the fight, with liberal firebrand Sen.
Slotnick said he will not go out of his way to support Cordray if he wins the primary.
Trump played a pivotal role in ousting former Ohio Republican Party Chairman Matt Borges, a Kasich ally, and installing current Chairman Jane Timken in the seat.
With a large number of undetermined Democratic voters, many political pundits thought the race would be close.
Ohio Public Radio's Jo Ingles reports.
At a downtown election night party, the former congressman from Cleveland accepted defeat and congratulated Cordray.
Mr. Trump also invoked the last time Republicans gave away a Senate seat by nominating a flawed candidate, an event that he suggested would live in political infamy.
Democrats in the key swing state feared for months that former Cleveland mayor and firebrand congressman Dennis Kucinich - who has dismissed Russian meddling in the 2016 election, praised President Donald Trump, and aligned himself with pro-Assad Syrian groups - would win the Democratic primary only to lose the general election.
Other offices that were voted on include OH state supreme court justice, treasurer, auditor, secretary of state, attorney general, state representative, court of appeals judges, county auditor and county commissioner.
Both parties made choices that may reflect the future of OH politics.