G.O.P. Counsel Wary on Impeachment
HR Judiciary Com's newly designated Repub counsel Samuel Garrison tells HR Judiciary Com that HR should not impeach Pres Nixon unless it appears probable that he would be convicted in a Sen trial and removed from office; says even then, HR has obligation to make 'pol' judgment whether 'best interests' of US would be served by ejecting Nixon from Presidency; ousted Repub counsel Albert E Jenner Jr says he disagrees with Garrison argument that Nixon, in citing exec privilege as basis for defying com subpoenas for 147 taped conversations and a number of documents was, in effect, exercising a 5th Amendment protection against self‐incrimination; Garrison's summation of evidence contrasted with that of Nixon's atty James D St Clair; Jenner presents his own final summation to com; Reprs M C Butler and T F Railsback comment; Garrison illus (L)