The president's official greeters. These two gentlemen, Sergt. Ernest M. Seaman, (left) and Sergt. C.L. Dalrymple, of the White House police force, are the president's official greeters. These are the men who must first talk to each an every one of the 10,000 visitors [...] call at the White House executive offices each year. They have b[...] guarding offices of the President for nearly three decades and are the finest examples of diplomacy and courtesy. Their's is the [...] smile and warm "good morning" but their long training has taught them the art of sizing up the visitor at the same time and knowing just where to place him or her