“Until the 1990s, it was relatively easy for folks in Mexico to come to the U.S. and folks in the U.S. to go into Mexico,” said Louis DeSipio, a professor of political science at UC Irvine. “Creating this new arbitrary situation of ‘You can touch right here but not there’ is a new development in the long history for the U.S. southern border.”

For the full story, please visit http://www.latimes.com/local/california/la-me-hugs-at-the-border-20160901-snap-story.html.