blocking brexit, could bring backboarder controls. >> what would happen if there's a no deal brexit and -- to the border? >> does it mean i have to show my passport or something to go down? i don't know. i was told maybe you'll have to show your passport or have a visa to go down over the border to visit family. >> i don't think the man on the street has any idea what's going to happen, especially with businesses. i'm working for a company that does a lot of cross-border trade. and so they are particularly worried in terms of taxes going back and forth going over the border. >> what would you hope for with the border yourself? >> we would obviously hope it's an open border. especially in this area. there's always been a strong relationship because we're a border area. so we would need free movement. >> it's very worrying. i don't know what the future's going to hold for myself, for my family, and especially for my children. >> reporter: the trouble for theresa may is she needs the support of northern irish mps who oppose the backstop. it makes them feel less british. and so far she hasn't found a