ABC News' Imtiyaz Delawala reports: Move over, “Joe the Plumber.” “Tito the Builder” is on the trail. Campaigning across the state of Virginia today, Alaska Gov. Sarah Palin was introduced at three rallies by small business owners concerned about Sen. Barack Obama's tax policies -- including Tito Munoz, a northern Virginia construction company owner who has become a staple of Palin’s speeches across the country. “Good morning, Virginia. I am Tito Munoz, but you can call me Tito the Builder. That's what I have been called by two great Americans who stand for freedom, and they are John McCain and...