New Jersey Gov. Chris Christie conflated statistics when he claimed Sen. Rand Paul’s “pork-barrel spending” is the reason Kentucky receives more federal funds than New Jersey for every tax dollar it sends to Washington. The figures cited by Christie are affected very little by pork-barrel spending.Moreover, Senate Republicans have imposed a voluntary ban on earmarks — otherwise known as pork-barrel spending — since the Kentucky senator took office in 2011. So Paul hasn’t brought any of the traditional pork-barrel spending to Kentucky.Paul also added some confusion to the issue when he seemed to suggest that Kentucky’s ratio was the...