Open this photo in gallery: People light candles during a vigil for Israel in London, on Oct. 9, two days after Hamas fighters launched an unprecedented, multi-front attack on Israel.Kin Cheung/The Associated Press If you’re wondering how your Jewish friends were doing over the Thanksgiving weekend, I know I shouldn’t really speak for the lot of us, but: not well. Canadian Jews – and everyone else – awoke on Saturday to the stunning news of an invasion by Hamas into Israel. The images were too much to bear. Little children and elderly people – including a Holocaust survivor in a...