PARIS PEACE TALKS REOPEN WITH HOPE ON SECRET PARLEY
April 28: Vietnam peace talks resume in Paris on Apr 27 after they were suspended by US on Mar 23; session described as 'fruitless', but prospect for secret talks between US and N Vietnam appear firmer; Hanoi's spokesman Nguyen Minh Vy announces that Le Due Tho will return to Paris shortly but notes there will probably be private meetings; Amer side refuses to comment on private sessions, but expresses interest in what Tho might have to offer; chief Amer negotiator W J Porter cites hope that Tho will have more to offer than was offered during session; opens talks with proposal that N Vietnam agree to end invasion and commence withdrawal of N Vietnamese troops from S Vietnam; says he is ready to meet again next wk but warns it will not be practical to hold meetings if N Vietnam continues to refuse to deal with substance of present invasion and gen problems of peace, including prisoners of war and those missing in action; Hanoi's negotiator Xuan Thuy charges Vietnam problem is problem of US aggression and Vietnamese people fighting against aggression; holds US claim about invasion of S Vietnam by N Vietnam is absurd; demands that US honor its '68 commitment to halt bombing of N, abandon Vietnamization program and respond to Vietcong's 7-point peace program; warns US will be defeated by rigorous counter-thrusts of Vietnamese people if US continues to help build up S Vietnamese forces, maintain Pres Nguyen Van Thieu in power and escalate attacks on North; questions whether US is prepared to halt these actions; agrees to meet during following wk to hear his answer; Amer spokesman S Ledogar, commenting on whether US will boycott talks again if it gets same answers in next wk's talks, says US will make judgment at that time; Porter, Xuan Thuy, Mrs Nguyen Thi Binh and Pham Dang Lam illus