Millennium Partners has leased a space in Downtown Crossing's historic Burnham Building to Caffè Nero, a European coffee house, which will bring the 335,000-square-foot commercial space at the building and the adjacent Millennium Tower to full occupancy. The coffeeshop will be located on Summer Street less than half a mile from Downtown Crossing's first Caffè Nero, which is located at the base of Millenium Place, another high-end condominium complex developed by Millennium Partners. Caffè...