In the mail, a broadside from the Heritage Foundation. Nothing special about that. Like many Washington journalists, I get two or three missives a day from Washington's leading conservative "think tank." They come in a profusion of categories, with somewhat less variety in themes: Heritage Foundation News ("ECONOMIST CALLS CLINTON ECONOMIC PLAN DISHONEST, DECEPTIVE"); Heritage Foundation Backgrounder ("ADVANTAGE INCUMBENTS: CLINTON'S CAMPAIGN FINANCE PROPOSAL."); Issue Bulletin ("SIX REASONS WHY BILL CLINTON'S NATIONAL SERVICE PROGRAM IS A BAD IDEA"); Executive Memorandum ("RUSH!
United We Stand: How We Can Take Back Our Country by Ross Perot (Hyperion, 115 pp., $4.95 paper) Not for Sale at Any Price: How We Can Save America for Our Children by Ross Perot (Hyperion, 158 pp., $5.95 paper) On November 7, 1969, a week before the huge antiwar moratorium demonstrations, The New York Times ran a full-page advertisement in support of the Nixon administration's policy in Vietnam. A similar advertisement appeared two days later; and then, on November 15, the Times reported that the pro-Nixon advertisers had blanketed the country with 25 million postcards backing the president,