WASHINGTON, Aug. 25 -- Sen. Maggie Hassan, D-New Hampshire, issued the following news release: * * * Senators Hassan and Hawley Introduce Bipartisan Legislation to Combat Big Pharma's Patent Abuse and Lower Prescription Drug Costs * WASHINGTON - U.S. Senators Maggie Hassan (D-NH) and Josh Hawley (R-MO) introduced bipartisan legislation to lower prescription drug costs by closing oversight gaps that drug manufacturers take advantage of to prevent lower-cost competition. Because of incomplete  more PR