$100 million! That’s how much the foundation of hedge fund billionaire Ray Dalio has pledged to give Connecticut to help the state’s low-performing public schools. But the project has been exempt from transparency and ethics rules, which has some officials worried. Are these public-private partnerships a good idea? We find out with guests: Christopher Keating, capitol bureau chief, Hartford Courant Vincent Candelora, Connecticut state representative, R-Branford Patrice McCarthy, deputy director