By John Chunn ( December 29, 2017, 9:21 AM EST) -- During the busy year end, it’s hard to stay on top of all the twists and turns of U.S. tax reform. However, with the final bill having been signed by President Donald Trump only days before Christmas and the fact that many of the most important provisions become effective Jan. 1, 2018, there is no time to lose for Canadian businesses and investors in analyzing how this sea change will impact them....