Chanting for the death of the Israel Defence Forces (IDF). Waving a Hezbollah flag at a concert. Cheering for Hamas. Calling on fans in the U.K. to "kill your local MP." These are a few of the things that have a Jewish and Israeli advocacy organization and some Canadian politicians calling for the Irish rap group Kneecap and the British punk rap duo Bob Vylan to be barred from performing in Canada. The two groups are already facing obstacles and restrictions when it comes to touring overseas, while organizations like the Ottawa-based Centre for Israel and Jewish Affairs (CIJA) want...