They're almost an endangered species, the dwindling number of people who say the country is heading in the right direction. But they're out there. The way they see it, the U.S. has come through tough times before and will do it again. Fewer than one in seven, or 15 percent, say the country is on the right path, according to the latest Associated Press-Yahoo News poll of adults. In these economically tough times, they tend to be older, less educated, conservative and supporters of Republican presidential candidate John McCain.