BostonGlobe.com Political Headlines - May 30, 2014 May 31, 2014 Here are the top political headlines from BostonGlobe.com today: Political passions stir as Hillary Clinton prepares book release: The launch could easily be viewed as the first political ad of the 2016 presidential campaign. Matt Viser reports. Patrick plan would spend $100m on struggling cities: The hope is to spur growth in cities that haven’t seen meaningful public or private investment in decades. Casey Ross reports. Patrick’s PAC: Praise, please: Governor Patrick’s federal Together PAC is prodding supporters to pen letters praising his tenure. Scot Lehigh details the latest.