After rounding up some 14,500 persons during the antiwar May Day demonstrations in Washington two years ago, police and Administration officials made no secret of their pride in the way the situation was handled. They had avoided extensive violence, they pointed out, and prevented the city from being brought to a standstill. If the civil rights of some individuals had been curtailed, that was a necessary price for the maintenance of order. Now Washington is learning that the price is also measured in dollars and cents.
Washington's problem is that the police collected virtually no evidence; yet thousands of those arrested had...