Rep. Ron Paul of Texas, an old-fashioned conservative with a strong libertarian streak, inspires a small but growing base of fervent admirers with his strict interpretation of Congress' powers No matter who shows up at this week's Republican presidential debate in Baltimore, it's a good bet the biggest applause will go to the most conservative man onstage. He's Rep. Ron Paul, a perfect protest candidate for 2008. Trained as a physician, he's "Dr. Paul" to a small but growing base of fervent admirers - more than a few of whom could fairly be called zealots. Around the Capitol, the Texas...