CORAL GABLES, Fla. - Republican presidential candidate John McCain on Sunday called Democratic rival Barack Obama insensitive to poor people and out of touch on economic issues. The GOP nominee-in-waiting rapped his Democratic rival for opposing his idea to suspend the tax on fuel during the summer, a proposal that McCain believes will particularly help low-income people who usually have older cars that guzzle more gas. "I noticed again today that Sen. Obama repeated his opposition to giving low-income Americans a tax break, a little bit of relief so they can travel a little further and a little longer, and...