BostonGlobe.com CAPITAL Headlines - June 16, 2014 June 17, 2014 Here are the top political headlines from BostonGlobe.com today: Candidates take their campaigns to street: It seemed the candidates had something to prove at the Bunker Hill Day Parade Sunday. Joshua Miller reports. Credit cards have expiration dates. Laws should too: If laws came with expiration dates, lawmakers wouldn’t have to go to such lengths to repeal goofily obsolete ones. Jeff Jacoby details the story.