The US military is taking control of more Texas borderland

Nearly 200 more miles of the U.S. border with Mexico have been placed under Air Force supervision, enabling wider use of military force and heftier charges against people crossing illegally into the country. But experts wonder why the step is being taken as crossings plummet and heightened charges are thrown out by judges.Last June, Pentagon leaders announced that they would take charge of land along the final 250 miles of the Rio Grande, which had been administered by State Department employees