SAN DIEGO (CNS) - A Spring Valley woman pleaded guilty Friday to taking part in a multi-year scheme to falsify medical certifications while working as an advocate for immigrants seeking help in obtaining U.S. citizenship or government benefits. Nawal Talia, 57, admitted during a hearing in federal court in San Diego that she recruited patients for National City psychologist Roberto Velasquez, who was sentenced earlier this year to 21 months in prison and ordered to repay more than $1.5 million to the Social Security Administration in the largest single restitution order in the agency's history. As part of her job,...