MSNBC: New Jersey Gov. Chris Christie was soaking up the revelry around the Jersey Shore’s post-Hurricane Sandy reopening this Memorial Day, ceremoniously cutting a monstrous ribbon and leading President Obama and packs of cameras around the boardwalk. Christie’s handling of the superstorm earned him bipartisan praise and record-high popularity, but now almost eight months out since Sandy struck New Jersey’s coast, Christie’s response to the storm is taking shape on political sides. NBC’s Matt Lauer recently…