This is an independent opinion. Want to respond? Write your own commentary! Email hoa@ivn.us. From San Ysidro to San Diego, along the border to Brownsville, and in 26 U.S. states, Mexico is our primary trade partner. This goes well beyond cargo shipments. San Ysidro, itself, produces more than $800 million in sales each year. Ninety-five of those sales, on San Ysidro Boulevard, come from border crossers – 70 percent of whom cannot cross today due to US restrictions against tourists being recent...