 She says the city will be hosting a lot of GOP convention goers. We expect 50,000 guests. Milwaukee and the greater Milwaukee area will be definitely full of Republicans. Matt Piper, CBS News, Milwaukee. In other news this morning, a stretch of Ohio Drive along the Tidal Basin is now closed to traffic and tourists, and it'll stay that way for the next six years. It's part of a major tunnel project meant to keep sewer overflow out of the Potomac River. John here has more in a story you'll only hear on WTOP.