EL PASO, Texas - The mayors of the Texan city of El Paso and the Mexican city of Juarez led a protest by dozens of people on Saturday against a planned border wall to stem illegal immigration into America. The protesters held hands across the Paso del Norte Bridge, which spans the Rio Grande and connects the downtown cores of the two cities. Resentment against the wall runs deep in the border areas of Texas. Landowners are concerned it may cut across their property, conservationists see it destroying crucial riverside habitat, and some activists see it inflaming ethnic tensions. El...