By Mikella Schuettler PHOENIX (AP) — The Trump administration has begun work on a project to build a stretch of border wall in southern Arizona along part of a Native American tribe’s reservation, pushing ahead with one of its signature projects despite protests from the tribe. U.S. Customs and Border Protection says the area is a dangerous smuggling route and that building the wall will close a longstanding security gap. But members of the Tohono O’odham Nation, whose membership spans both sides of the U.S.-Mexico border, have accused the administration of trespassing and say the construction will damage land sacred to the tribe. The wall segment is part of a $46 billion effort by the Trump administration to fill the border with 30-foot (9-meter) steel bollard walls, vehicle barriers, and…





