When Rudy Giuliani addresses the Republican National Convention as expected Wednesday night, it might be his last big moment in the political spotlight. It doesn't have to be. With New York State's gubernatorial race coming up in 2010, Giuliani has a rare chance to make up for his mistakes since leaving office. Instead of just making money, Giuliani can make a difference by helping to revive the GOP as a truly national party. More importantly, he has the chops and the experience to reform Albany and deliver New Yorkers the smarter, more responsive, more effective government they deserve. Before we...