woodruff: john margolis, a question for senator bentsen. margolis: senator bentsen, you have claimed that vice president bush and the republicans will raid the social security trust fund, and you have vowed to protect it. but as chairman of the senate finance committee, you must know that there is something to the argument of your fellow democrat bob strauss that some restraint on social security growth may be needed, or at least some decision to tax most social security benefits as regular income. in fact, you once voted for and spoke for a six-month delay on cost of living adjustment increases for social security. senator, aren't you and gov. dukakis using this issue politically, rather than dealing with it responsibly? bentsen: well, i must say i hate to disappoint my good friend bob strauss, but we have a contract with the american people on social security. and social security is an issue where senator quayle voted eight times to cut the benefits on social security, where this administration came in and tried to cut the benefits, the mi