Johns Hopkins University is acquiring the building that houses the Newseum in Washington, D.C., where it plans to consolidate its presence in the nation’s capital, provide more opportunities for students and better inform policymakers, officials announced Friday. Hopkins is buying the building at 555 Pennsylvania Ave. NW for $372.5 million under an agreement with the Freedom Forum, which owns the Newseum. The institution aims to broaden the practical impacts of its research and position itself to influence national and international decision making from its new home. The sale will mark the eventual closure of the Newseum at its current location....