Donald Trump Jr. Don John Trump'Tiger King' star Joe Exotic requests pardon from Trump: 'Be my hero please' Zaid Jilani discusses Trump's move to cancel racial sensitivity training at federal agencies Trump International Hotel in Vancouver closes permanently MORE said on Saturday that no intelligent people believe former President Obama helped the economy or foreign policy.

"No one with a brain actually believes he did anything good for our economy or for our foreign policy," Trump Jr. told "Breitbart News Saturday."

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"The biggest joke I've seen in the last two years is Obama ... trying to claim this economy because his policies of overtaxation, oppressive regulation," he said, tearing into the former president for his claiming credit for the economy earlier this month.

"That drove this country into the ground. That led to the worst recovery in the history of probably economics but certainly our country’s history," Trump Jr. added.

Others have also questioned the length of the Obama recovery.

"The 2008-09 recession was so bad, the economy should have come roaring back with a booming recovery," King's College professor Peter Ferrara wrote in an opinion piece for The Wall Street Journal, "But Mr. Obama carefully, studiously pursued the opposite of every pro-growth policy Reagan had followed. What he got was the worst recovery from a recession since the Great Depression."

Trump Jr. added that he loved Obama's reentry into the political spotlight.

"Without question, he's our best salesman," Trump Jr. said.

President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE promoted his son's interview late Saturday.

Exclusive -- Donald Trump Jr. to Obama: My Dad Fixed the Economy You Could Not https://t.co/HXuSBGFmf2 via @BreitbartNews — Donald J. Trump (@realDonaldTrump) September 15, 2018

The president and former president have recently been wrestling over credit for the economy.

"When you hear how great the economy is doing right now, let's just remember when this recovery started," Obama said in remarks at the University of Illinois two weeks ago.

OBAMA: "When I came into office we were losing 800k jobs a month. Millions of people were losing homes... By the time I left, household income was near its high, uninsured rates hit an all-time low. So when you hear how great the economy is, let's just remember where it started." pic.twitter.com/698WLPLNGr — Aaron Rupar (@atrupar) September 7, 2018

Trump fired back, tweeting, "The Economy is soooo good, perhaps the best in our country’s history (remember, it's the economy stupid!), that the Democrats are flailing & lying like CRAZY!"