Open trading account 
Some botanists are shaking their heads at the new polymer bills because they say the money features a maple leaf from Norway, and not Canada, although that's not how the Bank of Canada sees it.The Norway maple came to North America in the 18th century, imported by a Philadelphia merchant and peddled as a garden adornment. But lately it has been turning up in all kinds of places, including the official logos of Wilfrid Laurier University in Waterloo, Ont., and the FIFA under-20 World Cup of Socce…
