(CNN) - Newark Mayor Cory Booker, a top surrogate for President Barack Obama's campaign, said Friday that a surrogate for Mitt Romney made the wrong call when he argued Colin Powell endorsed Obama because they shared the same race.
"Whatever he meant or not, it was a statement that is unfortunate and just reflects a lack of understanding and sensitivity," Booker said on CNN's "Starting Point with Soledad O'Brien."
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He added: "He's gotten himself in a jam and he's going to wear that jam for a while."
Speaking on CNN's "Piers Morgan Tonight," Romney surrogate John Sununu on Thursday downplayed the importance of the former secretary of state's endorsement, pointing to the support Romney's received from former President George H.W. Bush. He went on to explain that Powell's endorsement of Obama didn't rely solely on the political issues at hand.
"When you take a look at Colin Powell, you have to look at whether that's an endorsement based on issues or he's got a slightly different reason for endorsing President Obama," Sununu said, adding: "I think when you have somebody of your own race that you're proud of being president of the United States, I applaud Colin for standing with him."
Later, Sununu released a statement saying "Colin Powell is a friend and I respect the endorsement decision he made and I do not doubt that it was based on anything but his support of the President's policies."
Booker on Friday said the "responsible thing to do" would be for the Romney campaign to issue their own statement.
"But the one thing I don't like about our political culture is we take one person's comments–stupid or not–and then we just try to spread it out and lay it over anything," Booker said. "Mitt Romney didn't say this, so it's the kind of thing for me that's just a dumb comment."
Booker was in the spotlight himself earlier this year for criticizing his own party's attacks against Romney's corporate career and saying political language used on both sides of the aisle is "nauseating." He later walked back his remarks.
Rep. Pete Sessions of Texas, who chairs the National Republican Congressional Committee, also weighed in on Sununu's comments on "Starting Point." Asked if he thought Powell voted for Obama because of race, Sessions sad, "no, I think you would have to ask Colin Powell."
"You could say that I endorse Mitt Romney, but that's not just because I'm a white man," Sessions continued. "We all have things which we're for, which we support. Colin Powell believes the president is heading down the right path. I simply disagree on this issue with Colin Powell."