>> The tall rusted ribs of this imposing border fence separate Nogales, Arizona, from Nogales, Mexico. But the two cities are so intertwined that locals call them by a single name, Ambos Nogales. Reuters recently interviewed more than a dozen workers, employers and city officials here, as well as ordinary residents living on both sides of the border.
And all of them share the same fear, what Trump's tough and often unclear talk on trade with Mexico could do to their community's economy.>> Irma Valencia, a long time customs broker and resident of Nogales, says the worst part is the lack of clarity around Trump's plan to redo NAFTA.
A point only briefly mentioned in his first speech to Congress.>> It's really unsettling that one day you hear something and then the next day you hear something else. Then at night, you hear something else. And then the next morning, you wake up and it's completely different. So it's a little deserving.
>> John Doyle, the Mayor of Nogales, Arizona held a press conference with the Mayor of Nogales, Mexico in January to express their concerns over Trump's immigration plan and talk of a border tax. What would happen is on a 20% tax, they're just gonna pass it on. And you know who's gonna end up paying it, the people of the United States.
The everyday person that has to go and shop at the stores and prices are gonna be outrageous.>> Restaurant and store owners too say that any kind of import tax would make already hard times even harder.>> It would be a huge, huge impact, if they would raise those prices, it wouldn't be convenient to be open anymore.
>> Carla Galindo owns the Rancho Grande restaurant on the edge of this Arizona city, with her husband. They buy most of their produce from Mexico. And say they and other local business owners have already seen their sales fall, since Trump took office.>> People are getting in their minds that many bad things will happen, and many people are scared.