BostonGlobe.com Political Headlines - August 18, 2014 August 19, 2014 Here are the top political headlines from BostonGlobe.com today: Researchers decry limits on drones: Scholars are warning the FAA’s rules on drones jeopardizes their work and undermines basic education. Jessica Meyers reports. Many strive to put violence-torn Ferguson on new course: Residents and visitors are searching for ways to bring about the change that has often eluded the nation after similar crises. Akilah Johnson details the latest. Democrats vying for governor power up primary effort: After months of a quiescent gubernatorial race, a wide swath of voters are on the precipice of finally tuning in. Joshua Miller reports.