Complex sentence: This was done with Ted Sorenson, Teddy Kennedy, and Ken O'Donnell, out of the room; all who would have opposed this move, because of the opposition from the Southern political leaders, like arch segregationist, Senator James Eastland.
Split into simpler sentences: This was done with Ted Sorenson, Teddy Kennedy and Ken O'Donnell out of the room. All of them would have opposed this move because of the opposition from the southern political leaders like arch segregationist Senator James Eastland.