Sen. Lindsey Graham sees himself as a possible 60th vote on the comprehensive energy and climate bill. But the South Carolina Republican doubts the debate will even get that far, at least in the current political atmosphere that includes a ripening battle over immigration and uncertainty over the causes of the massive oil spill in the Gulf of Mexico. "All I can tell you is everything you need to grow the vote in the last couple of weeks has been missing," he said in an interview yesterday.