Newark Mayor Cory Booker is running for U.S. Senator mainly to boost his national profile, nearly half of New Jersey residents believe.
A Monmouth University poll
asked likely voters in the Garden State if they felt Booker is more interested in the national stage than serving New Jersey.
Some 45 percent believe Booker is more concerned with his national profile, while 35 percent believe he has New Jersey's interests as his top priority.
An additional 12 percent said they believe he wants both equally.
Booker, a Democrat, is facing Republican Steve Lonegan in a hotly contested run for the New Jersey seat of Frank Lautenberg, who died in June. The election will be held Oct. 16.
The Monmouth poll found Booker's lead has slipped to 13 percentage points, 53 percent to 40 percent, down from a 16-point lead in August.
"While Cory Booker's lead is relatively sizable, many voters have doubts about his motives in seeking the seat," Patrick Murray, director of the Monmouth University Polling Institute, told the Philadelphia Inquirer
The results virtually mirror a Quinnipiac University poll
from last week which gave Booker 53 percent to Lonegan's 41 percent.
Both candidates were campaigning on Tuesday.
Lonegan is with Texas Gov. Rick Perry, visiting towns across New Jersey to rally against Obamacare.
Booker released a new TV ad that claims Lonegan supports the government shutdown and is "too extreme for New Jersey."
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