New Times magazine reports that President Nixon lias been making some apparent Freudian slips recently. In his highly publicized State of the Union message to Congress last January, the President meant to say that he wanted "to replace the discredited present welfare system". What carne out, instead, was "the discredited President." At a subsequent press conference, Nixon was asked about his definition of "an impeachable offense." During his answeri, Nixon referred repeatedly to "an impeachable defense" instead. And, finally , when the President was formally opening Expo '74 in Spokane recently, he turned to introduce Washinton State's Governor Evans. What Nixon announced, however, was ernor Evidence...