Monmouth University Poll’s top pollster said Thursday the outfit messed up in projecting New Jersey Gov. Phil Murphy would handily beat Republican challenger Jack Ciattarelli. “I blew it,” Patrick Murray, the director of the polling group, wrote in a blog post. The last poll done before the Nov. 2 gubernatorial election had Murphy, a Democrat, ahead by 11 percentage points. Earlier polls from Monmouth had Murphy up by as much as 16 percent. The final poll “did not provide an accurate picture of the state of the governor’s race,” Murray said. “So, if you are a Republican who believes the polls cost Ciattarelli an upset victory or a Democrat who feels we lulled your base into complacency, feel free to vent. I hear you,” he added. Murray apologized to both campaigns, noting that inaccurate polling can impact fundraising and voter mobilization efforts. He also offered an apology to voters. The …