BostonGlobe.com Political Headlines - April 14, 2014 April 14, 2014 Here are the top political headlines from BostonGlobe.com today: Mayor Walsh calls for Fenway Center tax break: The $4.6 million tax break is designed to jump-start the development of the $550 million project. Casey Ross reports. GOP pushes funding cuts for social science work: House Republicans are questioning millions of dollars in grants by singling out dozens of projects for extra scrutiny. Tracy Jan reports. Shaheen shuns scrapping with Scott Brown: Senator Jeanne Shaheen instead offered a glancing knock on his New Hampshire credentials. Joshua Miller reports.