Government contractors erect a section of Pentagon-funded border wall along the Colorado River, Tuesday, Sept. 10, 2019 in Yuma, Arizona. AP PHOTO
YUMA, Arizona: On a dirt road past rows of date trees, just feet from a dry section of Colorado River, a small construction crew is putting up a towering border wall that the government hopes will reduce — for good — the flow of immigrants who cross the US-Mexico border illegally.