Sunday, October 26, 2008 Cincinnati — The campaign plane touches down and John McCain emerges to the booming chorus of “Eye of the Tiger” and the raucous cheers of 3,000 supporters. TV cameras record every “Joe the Plumber”-referencing moment by the Republican presidential nominee, whose airport rally will dominate local newscasts. At the same time, Bob Barr is making his own campaign appearance a few miles away. The Libertarian nominee for president from Cobb County is clearly outmanned — about 200 people have shown up for his speech at the University of Cincinnati student center. And outspent — his campaign...