A gay group will be able to march under its own banner in the city's St. Patrick's Day Parade for the first time on March 17, organizers said Wednesday. The nation’s oldest and biggest St. Pat's parade will lift the ban on lesbian, gay, bisexual and transgender groups that want to participate while identifying themselves as gay. “Those of us who are Irish and LGBT would watch this city celebrate and know we weren’t welcome,” former City Council speaker Christine Quinn, who boycotted the event for decades, told the Daily News. “To have that end, not only puts all of...