IMMIGRATION Colorado congressman calls Miami a 'Third World country' A critic of citizenship opportunities for illegal immigrants says 'Third World' Miami shows America's future if immigration isn't checked. BY LESLEY CLARK lclark@MiamiHerald.com WASHINGTON - Rep. Tom Tancredo, the leader of the anti-illegal immigration faction in the U.S. House, spent a recent weekend at The Breakers in Palm Beach. Ninety miles to the south, he found a symbol to bolster his belief that unfettered immigration is endangering the United States: Miami, he told a conservative online news site, ``has become a Third World country.'' In South Florida to attend Restoration Weekend,...