P439ORACLE 439 Mon27 Jan C4 1703:56    Mrs Thatcher Answers, 3.30pm - 6.30pm Live coverage from the House of Commons as Mrs Thatcher answers questions in an open-ended emergency debate. The debate will be broadcast until 6.00 or 6.30pm and replaces scheduled programmes. Should it end at 6pm, Countdown will follow and Be Your Own Boss at 6.30pm.  Main Index...410 