By JIM VERTUNO Associated Press Longtime U.S. Rep. Sheila Jackson Lee of Texas, who helped lead federal efforts to protect women from domestic violence and recognize Juneteenth as a national holiday, has died. She was 74. Lillie Conley, her chief of staff, confirmed Friday night that Jackson Lee, who had pancreatic cancer, had died. The Democrat had represented her Houston-based district and the nation’s fourth-largest city since 1995. She had previously had breast cancer and announced the pancreatic cancer diagnosis on June 2. “The road ahead will not be easy, but I stand in faith that God wi…