BostonGlobe.com Political Headlines - June 12, 2014 June 13, 2014 Here are the top political headlines from BostonGlobe.com today: GOP looks for lessons in Eric Cantor’s loss: The House majority leader’s primary defeat could end any hopes that the party’s establishment wing had in slowing the Tea Party movement. Matt Viser reports. Coakley’s office will review 2009 death at Bridgewater: The Mass. AG’s office will look at the circumstances surrounding Joshua Messier’s death at the state hospital. Michael Rezendes reports.