Mayor Marty Walsh says a transgender pride flag raised Monday over Boston City Hall plaza will continue to fly until everyone is equal under the law in Massachusetts. The Democratic mayor and other elected officials joined activists in raising the flag of blue, pink, and white horizontal stripes as state lawmakers continue to weigh a bill that would extend protections to transgender individuals in public places. Republican Gov. Charlie Baker hasn’t said whether he would sign the measure, which would expand a 2011 state law banning discrimination against transgender people in the workplace and housing by also prohibiting discrimination in...