U.S. President Donald Trump on Friday pitched a national project to accelerate the development of a coronavirus vaccine, saying he hopes for results by the "end of the year" or "maybe before."Experts have identified the 14 most promising vaccine candidates and will work to narrow the list, Trump said, adding that the government will invest in manufacturing all of the top candidates prior to their regulatory approval under what he calls "Operation Warp Speed.""Typically pharmaceutical companies wait to manufacture a vaccine until it has received all of the regulatory approvals necessary. And…READ FULL ARTICLE