Sen. Brown: Warren gave Obama 'bad advice' on economy

"People should know that Prof. Warren made her statements over a year ago, they're almost verbatim, and the president got bad advice from Prof. Warren certainly," said Brown on "Fox and Friends." 

Brown was promoting a campaign Web video released Monday, contrasting pro-business statements from former presidents with comments by Obama and Warren about the importance of government in the economy

Republicans, led by GOP presidential hopeful and former Massachusetts Gov. Mitt Romney, have hammered Obama over the "you didn't build it" remarks, portraying the president as dismissive of entrepreneurs.

Obama made the remark in a campaign address as he discussed the benefit businesses see from government-funded infrastructure.

The president directly addressed the attacks in an ad released Tuesday, telling viewers that Romney took his "words about small business out context." 

When pressed on whether he was taking Warren's words out of context in the Web video, Brown said he is "glad the president is stepping back and correcting the record, but there's none of that with Prof. Warren." 

"She's actually doubled-down and believes that we should have more government interference and more government regulations and more taxes taken out of people's pocketbooks and wallets and I don't," he said. 

The Massachusetts senator also touted his bipartisan record in Congress and slammed Warren as a "self-proclaimed rock-thrower." 

"Can you imagine 100 Prof. Warrens down there? A self-proclaimed rock-thrower, who wants to leave blood and teeth on floor. Listen, I'm somebody who's going to go down there and problem solve," he added. 

Warren is focusing on her work helping create the Consumer Financial Protection Bureau under the Obama administration in a new radio ad, reported The Boston Globe on Wednesday. 

"We need a cop on the beat to make sure no one steals your purse on Main Street and no one steals your pension on Wall Street,” Warren says in the ad.

Brown and Warren are locked in an extremely tight race that has garnered national attention and a flood of money.

— Justin Sink contributed.