BostonGlobe.com Political Headlines - September 23, 2014 September 24, 2014 Here are the top political headlines from BostonGlobe.com today: Afghan soldiers left Cape, headed for Canada: The mystery surrounding their whereabouts drew national attention and sparked concerns about the three men’s motives. Peter Schworm and Bryan Bender report. Patrick ousts two, with motive partly personal: Governor Patrick acknowledged that the sex offender agency shakeup was due in part to the handling of his brother-in-law’s case. Michael Levenson details the story. Charlie Baker calls for Roger Goodell to quit: As headlines swirl with allegations against NFL players, the issue of domestic violence has found prominence in the governor’s race. Akilah Johnson and Jim O'Sullivan report. Scott Brown attacks Jeanne Shaheen in new TV spot: Brown argues that Shaheen is not properly engaged on one of the major foreign policy issues of our time: the Islamic State in Iraq and Syria. Joshua Miller details the latest. Charlie Baker drops media firm, hires new ad maker: The Republican gubernatorial hopeful is no longer working with the firm that helped him get an upbeat TV ad with his 17-year-old daughter on the air. Joshua Miller reports.