Deal or no deal, Keystone revival possible, cancer vaccine breakthrough, and more

Trade secrets: There may be a deal between Ottawa and Washington, but it’s still not clear what’s in it. The U.S. president says American farmers and manufacturers are going to be thrilled with the deal. The prime minister says it secures the best terms for Canada’s important sectors. And: As part of talks with Ottawa, U.S. President Donald Trump is pushing for a revival of the Keystone XL oil pipeline. The plan was to take oil from Alberta -- south to Nebraska. Also: A potential vaccine for skin cancer has positive trial resultsPlus: settler violence in the West Bank, calls for Ukrainian elections, and more.