WASHINGTON, Aug. 9 -- The U.S. Agency for International Development issued the following news release: The U.S. Agency for International Development (USAID) is ramping up its Pakistan flood relief operations to include airlifts of heavy-duty waterproof plastic sheeting that will be provided along with materials purchased locally, such as wood, nails and rope, to construct temporary shelters for families whose homes have been damaged or swept away by flood waters. USAID has ongoing programs  more