How a border ‘shutdown’ would look from a border town

After US border patrol agents clashed with a group of unarmed Central American migrants late last month, leading to an hours-long closure at the San Ysidro border crossing between Tijuana and San Diego, President Trump reiterated threats to shutter the US-Mexico border entirely.A border closure could hit Mexico and the US hard, economically: about $1.7 billion in goods and services and hundreds of thousands of people legally cross the US-Mexico border every day.