Former Massachusetts Governor Mitt Romney blamed President George W. Bush for the Republican Party’s slow start in advancing clear alternatives to the stimulus package, and said the party needs a more unified voice if it is to stand up to the Democrats. “I wish the president would have laid [a stimulus package] out before he left office, so that in September, October, November, December, there would have been a stimulus plan,” Romney said in an interview with POLITICO, adding that the GOP has yet to come up with unified policy proposals or a clear, positive voice. “What’s challenging about being...