“Opportunities multiply as they are seized.”Sun TzuOn the eve of the one hundredth day of his Presidency, Barack Obama received a wonderful gift: Senator Arlen Specter, Republican of Pennsylvania, announced he was leaving the Republican Party to become a Democrat. This puts the number of Senate Republicans at 40, the lowest level in over 30 years, and gives the Democrats, at least on paper, the special majority of 60 votes needed for them to override a filibuster of legislation by the opposition. Besides the obvious advantages for Democrats, Specter’s pivotal decision has other important implications, not only for Republicans but also for Democrats.First, it highlights the sad state of the Republican Party: Specter explained that he felt c...