Wildcats, butterflies, tortoises: all are endangered by Trump's border wall

In the Rio Grande Valley, close to the border with Mexico, the president's proposed barrier spells danger for the region's plentiful wildlifeDeep in Texas's Rio Grande Valley, where half the US's species of butterflies reside in a protected swath of green, Donald Trump's wall may soon rise from an earthen levee.The wall is designed to be a barricade to anyone who has crossed the nearby Rio Grande river from Mexico, with a concrete base topped by steel bollards rising 18 feet in the air as well as a 150ft-wide enforcement zone stripped of all vegetation. Continue reading...