CARLSBAD, Calif. - U.S. Rep. Tom Tancredo, R-Colo., has spent much of the summer traveling the country to promote his message of immigration reform and to test the waters for a possible presidential bid in 2008. On Thursday evening, he attended a town hall-style forum in the northern San Diego County town of Carlsbad, where he poked fun at President Bush and derided plans for what he called "disguised amnesty" for the millions of people who have entered the United States illegally. "Let's just turn the ports of entry into toll booths," Tancredo said. "Here's my credit card. Here's your...