U.S. soldiers reinforce the US-Mexico border fence in El Paso, Texas state, US, as seen from Ciudad Juarez, Chihuahua state, Mexico on April 4, 2019. – US President Donald Trump is expected to visit a section of the border fence in Calexico during his tour to California on Friday. (Photo by Herika Martinez / AFP) (Photo credit should read HERIKA MARTINEZ/AFP via Getty Images)