By Julie Watson and Olga R. Rodriguez, Associated Press Writers U.S. Companies in Need of Cheap Labor Use Undocumented Workers to Recruit Friends From Mexico SASABE, Mexico (AP) -- When Pedro Lopez Vazquez crossed illegally into the United States last week, he was not heading north to look for a job. He already had one. His future employer even paid $1,000 for a smuggler to help Vazquez make his way from the central Mexican city of Puebla to Aspen, Colo. ADVERTISEMENT "We're going to Colorado to work in carpentry because we have a friend who was going to give us...