Matthew Hertz’s phone has been ringing off the hook since December.
The CEO and co-founder of logistics agency Third Person has spent the last five months fielding calls from fashion brands scrambling to move their warehousing and logistics operations out of Mexico amid an ongoing trade war.
For years, brands large and small have shipped products to warehouses in Mexican border towns, where T-shirts, jeans and dresses could be stored cheaply and within rapid shipping distance of US…

