Law360, New York (May 8, 2015, 11:57 AM EDT) -- The U.S. shares a long, and in many ways commercially transparent, border with Canada. In 2014, we exported more to Canada than to China, Japan and South Korea combined. Canada is our largest trading partner and the leading export market for the products of the vast majority of U.S. states. Almost half a million people cross between the two countries every day. Media — including television, radio, print, Internet and social — washes freely back and forth across the border, facilitated by a largely common, albeit differently accented, language. Shared traditions, culture, language and economic systems make for close ties historically: Canadians have fondly referred to the U.S. as their 11th province, and we have, from time to time, returned the favor by calling Canada our 51st state. (But lest we forget, Canadians were among the forces during the War of 1812 that sacked Washington, D.C., burned the White House and the Capitol, but fittingly spared the predecessor of the U.S. Patent and Trademark Office)....