Standing between every traveller and their next destination is a border crossing, and inevitably, a border services official. Regardless of how many places you've been, or officials you've dealt with, there's always a sense of tension and fear when crossing a border—even if you're entirely innocent. This week we're talking to Robin Esrock, an international best-selling travel writer, about how to conduct yourself as a traveller at any border. Then we're asking Border Services Officer, Tamara Lopez, from the Canada Border Services Agency, about how officials see the interaction from the other side of the glass.