 They plan to build more than 300 family detached homes. 40 of them would be designed to be affordable housing units. They're called cottage lots. Part of Ryan Road will be widened to add turn lanes as part of this project. Most medical students at Johns Hopkins University will no longer pay tuition starting in the fall thanks to a billion-dollar gift from businessman, philanthropist, and former New York Mayor Mike Bloomberg. WTOP's Dick Uliano reports the extraordinary gift could impact students and patients across our country.