Bush shakes their hands. Regular commentators assume everyone knows what Washington landmarks look like. Such a detail would be considered too tediously self-evident to a regular commentator. The presidential motorcade is merely described as a presidential motorcade by the regular commentators. Now the presidential limo slows to a stop.
Men wait by the doors.
So now we know that describers mention visual details that commentators ignore completely. Describers picked this up immediately. Through a closed glass doorway, we see people mingling in a room. On the way from the White House to the Capitol, Bush and Clinton enter a brand-new limousine, which Lehrer simply mentions. On the door on the right side is a small presidential seal.