Berlin police dropped the ball, and Marisol Fuentes paid the ultimate price. That’s the conclusion of the Berlin Police Department’s internal review released Friday afternoon. It found that Berlin police failed to stop Michael Gleason from harassing his estranged wife, Fuentes, and they failed to follow up on a report that he was potentially homicidal. The conclusion was disturbing but not unexpected. “The Berlin PD has a long way to go to retra…