Senate Republicans on Saturday voted against extending the Bush tax cuts to only the middle class in a pair of votes Democrats are seizing to paint the GOP as guardians of the rich. The Senate voted 53-36 to extend all expiring tax cuts on individuals with incomes of less than $200,000 a year and married couples making less than $250,000 -- seven shy of the required 60 to advance. The other proposal, which drew opposition from White House officials, would have renewed them for all tax filers with incomes of $1 million or less. That also failed in a 53-36...