Houston Mayor Bill White will officially launch a fingerprint-based immigration screening program in the city's jails today, fulfilling his pledge to have the system up and running by the time he leaves office. ...the outgoing mayor and Texas gubernatorial candidate, has faced harsh criticism for perceived flip-flopping on the issue of immigration enforcement in the jails. He previously requested to have the city participate in the controversial 287(g) program that would have trained officers to help Immigration and Customs Enforcement agents screen for illegal immigrants in the jails, but he backed away from that proposal after negotiations with the federal...