OTTAWA—Canada’s foreign affairs minister says she plans to travel to Asia and elsewhere for some first-hand research before she releases the government’s much-anticipated new policy on China. Foreign Affairs Minister Melanie Joly also says she wants to strengthen a Canada-led international convention that condemns arbitrary detention—or hostage diplomacy—so that it has more teeth. Joly told The Canadian Press that although the simmering crisis in eastern Europe with Russian troops massed on Ukrainian borders is all-consuming, she is actively working to deliver on a key marching order given her by Prime Minister Justin Trudeau: to create a comprehensive new Indo-Pacific strategy. “I’ll be going into the Indo-Pacific region soon. So that also will be part of the engagement before tabling the Indo-Pacific strategy,” Joly said in an interview this week before wrapping up a visit to Germany and France. “The geopolitical situation in Europe is taking a lot of my time …