Joelle Murray is the owner of Grinder Coffee in Toronto. Last year, during the international Toronto Film Festival, she could not get Idris Elba to visit her cafeteria. Yet, last year's lack of luck did not deter Grinder Coffee from launching...

Joelle Murray is the owner of Grinder Coffee in Toronto. Last year, during the international Toronto Film Festival, she could not get Idris Elba to visit her cafeteria. Yet, last year's...