THE MUCKRAKERS (449 pp.)Edited by Arthur and Lila WeinbergSimon & Schuster ($7.50).
Collectors of old scandals are always welcome to dinner, even though it often happens that their only tales are embalmed anachronisms, tamer than a turn-of-the-century bathing suit. But though the freshest report the Weinbergs present is 50 years old, this collection of the writings of the energetic group known as the muckrakers seems charged still with proper indignation; the stories are as sturdy and enduring as the fearsome old namesLincoln Steffens, Ida Tarbell, Samuel Hopkins Adams, Edwin Markham, Ray Stannard Baker,...