The Gateway Pundit writes, The Obama payroll tax hikes that were passed in January are already wreaking havoc on the economy and forcing Wal-Mart to adjust its strategy. The Christian Science Monitor reported: Recent reports forecast lower spending for this year, anticipating that the restored payroll tax will impact consumers’ wallets, especially low-income earners. Wal-Mart is adjusting its strategy. Retailers are preparing for a triple whammy as the restoration of the payroll tax, surging gas prices, and stagnant employment and wages take a bite out of consumers’ disposable income, leaving them with less cash to…