In Ohio, Cordray faces Republican Attorney General Mike DeWine in the race to replace Republican Governor John Kasich, who can not run again because of term limits.
"We worked hard to turn this economy around", Obama said. Obama plans to campaign for Cordray in Cleveland Thursday.
Former President Barack Obama is visiting closely divided OH to campaign for gubernatorial candidate Richard Cordray and other Democrats.
"Donald Trump Jr. said how dare Barack Obama to try to take any credit for the economy", King explained while displaying the tweet and reading, "Donald Trump Jr.to Obama: My dad fixed the economy, you could not".
Obama drew a contrast between Cordray's polite - some say boring - style and the president's. Obama should help spur turnout, especially among black voters whose participation fell off in 2016, Beck said.
Cordray expressed his gratitude to the former president for campaigning for him.
Republican Gov. John Kasich (KAY'-sik) is term-limited, and Democrats hope to seize back control of the office for their party, which is out of power at every level of OH government. Sherrod Brown, a Democrat who is up for re-election this cycle in a seat the party must hold if it has any chance of wresting control of the U.S. Senate back from Republicans in 2018.More news: Coke May Get Into Pot
"Cordray will destroy your state", Trump said during the August 24 Ohio Republican Party state dinner in Columbus.
In 2016, Democratic losses in Pennsylvania, Ohio, Michigan and Wisconsin, all states Obama carried in his two presidential bids, delivered the presidency to Donald Trump.
Obama is hoping that sharing his administration's success story will boost Cordray enough to win in November. "Which I think is a real sign that his job is to get African-American voters fired up for the election", David Cohen, Professor of Political Science at the University of Akron, told ABC News.
George Conway's tweet was in response to President Trump's mocking of Obama mistakenly saying he had been to "57 states" in a country that has just 50 states - something he decried going underreported on by the "fake news media".
Cordray's campaign said there's nothing improper about the firm's work for the government or the campaign.
Cordray, the former federal consumer watchdog, faces Republican state Attorney General Mike DeWine in one of the season's most closely watched governor's races.