NATIONAL
March 6, 2007 | By Lianne Hart, Times Staff Writer
When Dallas-based Pizza Patron began accepting Mexican pesos in January, the company's goal was to sell more pizza to its largely Latino customer base -- not join the national debate on illegal immigration. But when the company's action attracted national attention, it was deluged with hate mail, including death threats, which continues to this day. Wal-Mart and other retailers in towns along the U.S.