By ELLIOT SPAGAT EAGLE PASS, Texas (AP) — As the sun set over the Rio Grande, about 120 Cubans, Colombians and Venezuelans who waded through waist-deep water stepped into Border Patrol vehicles, soon to be released in the United States to pursue their immigration cases. Across the border in the Mexican town of Piedras Negras, Honduran families banded together in a section of downtown with cracked sidewalks,