AUGUSTA – Lawmakers are moving forward with plans to pass a bill by summer’s end to address weaknesses in Maine’s child protective service system that came to light after two children were beaten to death in the last six months. Sen. Bill Diamond, D-Windham, said Thursday that he hopes the Legislature will convene in a special session “no later than September” to vote on a bill under early development by the Government Oversight Committee rather than wait until the 2019 legislative session.