Rep. Lloyd Doggett fights for his political life against Leticia Hinojosa. PALMVIEW — With a practiced smile and outstretched hand, U.S. Rep. Lloyd Doggett recently greeted two cleaning ladies at the newly dedicated Garcia Middle School in this booming Hidalgo County town. Nervously, they retreated. But with shy smiles, they shook his hand after Libby, the candidate's wife and a longtime bilingual education teacher, told them in Spanish, "My husband's a congressman, and we'd appreciate your support." Doggett, who hasn't lost an election in 20 years, began campaigning in South Texas two months before the newly drawn 25th Congressional District...