Isaac becomes hurricane in Atlantic (AP)

MIAMI - Isaac strengthened into the fifth hurricane of the Atlantic season Saturday, and its winds could reach Canada early next week, forecasters said. At 11 p.m. EDT, Isaac had top sustained winds near 80 mph, above the 74 mph threshold to become a hurricane, the National Hurricane Center " /> SEARCH News | News Photos | Images | Web " /> National Hurricane Center in Miami said. The storm was not expected to strengthen in the next 24 hours. Isaac should stay east of Bermuda, but Nova Scotia and ...