Complex sentence: In Saigon, during the last few days of the trip, he was given extensive briefings by the civilian side of the mission and, since he stayed at Lodge's residence, McNamara had ample opportunity for discussions with the Ambassador.
Split into simpler sentences: In Saigon, during the last few days of the trip, he was given extensive briefings by the civilian side of the mission and. Since he stayed at Lodge's residence, McNamara had ample opportunity for discussions with the Ambassador.