Adding Sen. Rob PortmanRobert (Rob) Jones PortmanHarvard biz school honors Wilbur Ross GOP senators blast White House aide over trade remarks Community development impact remains clear with NMTC post-tax reform MORE (R-Ohio) to the top of the Romney ticket won't be enough to seal the key battleground state of Ohio for the GOP, says a former Democratic governor of the Buckeye state.

Portman's credentials in his home state "would not guarantee" Ohio goes Republican this November, former Gov.Ted Strickland said on CNN’s State of the Union on Sunday.

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Strickland said Portman "doesn't have the standing" in the state needed to make a difference in the general election.

That said, "no candidate . . . can take Ohio for granted," Strickland added.

Portman, along with Sen. Marco RubioMarco Antonio RubioSenate rejects effort to boost Congress's national security oversight The Memo: Summit gives Trump political boost — with risks The Hill's 12:30 Report — Trump, Kim make history with summit MORE (R-Fla.), Rep. Paul RyanPaul Davis RyanWhite House faces growing outcry over migrant family policies John Legend slams Paul Ryan for Father's Day tweet, demands end to family separation Trump faces Father’s Day pleas to end separations of migrant families MORE (R-Wis.) and New Jersey Gov. Chris Christie (R) is the focus of speculation as a potential running mate for the Romney ticket.

Portman served as U.S Trade Representative and Director of the Office of Management and Budget in the George W. Bush administration and would bring strong economic policy credentials to the Romney campaign.


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However concerns continue to circulate over whether a Portman pick will generate enough excitement to get GOP voters to the polls.

President Obama has pushed hard during his first term to ensure Ohio goes Democratic again this November.

Obama won the state by 51 percent in 2008. He has visited Ohio three times since then. The President officially kicked off his reelection campaign on Saturday with speeches in Columbus, Ohio and Richmond, Virginia.


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