IT'S A FACT: The pinnacle of human ingenuity is undoubtedly THE SANDWICH. And at long last, it's time to celebrate humankind's greatest feat with DC Structures presents the Portland Mercury's Sandwich Week! And if you love sandwiches, you are gonna lose your damn mind, because from Monday June 20 to Sunday June 26, Portlanders will be feasting on delectable, original sandwiches built by 30 of the city's most creative sandwich makers... and if that's not...