Nation: UPHEAVAL ON THE HILL

CONGRESS is a creature of custom whose membership, unlike that of the executive branch, alters only gradually over the decades. Abrupt reaction is as alien to Capitol Hill as to a three-toed sloth. Yet the divisions and defeats of the Democrats in 1968 were bound to make a heavy mark on the 91st Congress, which assembled last week as a Republican prepared to take over the White House. The Democratic Party, which has ruled Capitol Hill for most of the past 40 years, seemed not only to have lost its old suzerainty over labor, the South and the minority groups, but...