 Bolivarian National Guards stand on a highway overlooking an anti-government march trying to make its way to the National Assembly in Caracas, Venezuela, on Wednesday, May 3, 2017. Driving the latest outrage is a decree by President Nicolas Maduro to begin the process of rewriting Venezuela's constitution, which was pushed through in 1999 by his predecessor and mentor, the late President Hugo Chavez. (AP Photo/Fernando Llano) 