>> on trade, here is what's at steak. the store shelves and factory stores the entire u.s. autoindustry would shut down in a week. they say every automaker depends on parts from mexico. 16% of parts used at assembly plants and sold in stores originate from mexico. grocery stores would take a hit. 90% of avocados come from mexico. $4.6 million in beer, wine, alcohol, that includes tequila, soybean and dairy farmers. meanwhile, trump's umca is at stake, the new nafta. he's signed a deal, but not approved by congress. history in chicago.