By Sam Laskaris Writer The Six Nations Chiefs are about to get down to business. The Chiefs will square off against British Columbia’s New Westminster Salmonbellies in this year’s Mann Cup championship. The Salmonbellies will host all of the matches in the best-of-seven national Senior A lacrosse series, which begins on Friday. New Westminster’s home rink is the Queen’s Park Arena. The Chiefs are on a roll heading into the Canadian finals. The Six Nations squad had finished atop the standings of its five-team Major Series Lacrosse (MSL) regular season standings by compiling a 14-2-0 mark. The Chiefs then began their post-season by downing the Cobourg Kodiaks 4-1 in their best-of-seven MSL semi-final series. Six Nations then qualified for the Mann Cup by sweeping the Peterborough Lakers 4-0 in their…