Niki Tsongas speaking to studnts about experiences and accomplishments in the Senate. (Courtesy of Michaela Goss) Michaela Goss Connector Contributor After her nine years in office, Congresswoman Niki Tsongas said she has worked hard to achieve gender equality in the U.S. Military, and positive change is definitely coming. On Thursday, Oct. 6, Congresswoman Tsongas visited…