Complex sentence: The notes revealed that Samson played a role in the Christie administration, in addition to his role as Port Authority chairman, for talking with Cabinet members and a commissioner to discuss their second-term plans if the governor was re-elected.
Split into simpler sentences: The notes revealed that Samson played a role in the Christie administration, in addition to his role as Port Authority chairman. That included talking with Cabinet members and a commissioner to discuss their second-term plans if the governor was re-elected.