OTTAWA (Reuters) - Canada has not approved new arms exports permits to Israel since Jan. 8 and this freeze will continue until Ottawa can ensure the weapons are used properly, Foreign Minister Melanie Joly said on Wednesday. Export permits that were approved before Jan. 8 remain in effect, she said in an emailed statement. The political survival of the minority Liberal government depends on support from the left-leaning New Democrats, who are pressuring for a tougher line with Israel over the Gaza conflict. "Canada has one of the most rigorous export permit regimes in the world. There are no open...