BRANDT FOES BALK ON MOSCOW TALKS
Christian Dems and Christian Soc Union turn down Govt's offer to send repr as member of 25-man W Ger delegation to Moscow, breaking 21-yr-old tradition of maintaining united front between Govt and Opposition on vital natl issues; refusal is transmitted in lr from Christian Dems parliamentary mgr Deputy Rasner; lr says Opposition sees 'no basis' for negotiations; charges it was inadequately informed about Bahr-Gromyko talks
