No sooner had our famed op-ed contributor known as “Mr. X” filed his report of what it was like to be a rare supporter of President Bush on the Upper West Side of Manhattan than the letters started pouring in. You are not alone, they said. Many more New Yorkers than like to admit it, they said, had grown skeptical of liberal orthodoxy and were siding with the president. The failure to see this may have been persistent in some quarters even after the election. “A Blue City (Disconsolate, Even) Bewildered by a Red America,” ran the headline from West 43rd Street. Its story quoted New Yorkers who said they didn’t know anyone who had voted for President Bush and described the city as “out of step with the rest of the country.”