WASHINGTON, Feb 4 (Reuters) - Officials have positively identified 66 of the 67 people killed in Wednesday's midair collision between an American Airlines ( AAL ) passenger jet and a military helicopter over the Potomac River in Washington, D.C. A joint statement from agencies on Tuesday said all 67 bodies have been recovered. Work continues by the U.S. Army Corps...

HOUSTON (Reuters) - Canadian pipeline operator Trans Mountain said it expects to see increased interest to ship on its system if the United States slaps tariffs on Canadian oil imports in a month. The pipeline, which can carry up to 890,000 barrels per day of crude from Alberta to Canada's Pacific Coast, has been about 80% utilized, with about 20%...

CHICAGO (Reuters) - Global grains trader Archer-Daniels-Midland ( ADM ) is slashing costs and cutting staff to weather a commodity downturn made more challenging by uncertainty about U.S. biofuels policies and a brewing trade war, the company said on Tuesday. ADM's difficulties follow an accounting scandal last year that forced the company to twice revise financial statements and triggered an...

* Musk sues to block OpenAI's conversion to a for-profit structure * Musk cofounded OpenAI with Altman in 2015 * OpenAI argues for-profit move needed for capital * Nonprofit to for-profit conversion rare, expert says (Rewrites paragraph 1, adds comments by judge in paragraphs and background in paragraphs 2-5) By Anna Tong and Akash Sriram OAKLAND, Calif., Feb 4 (Reuters)...