P115 CEEFAX 115 Tue 19 Jzn 2p:33/32       A second party has been banned from the Israeli general elections on July 23. The leftist Arab-Jjwiuh Progressive jut For Peace which seeks direct talks between Israel and the PLO was banned bz a Knesset committee brcpusj of its "subversive principles and tendjncieu". The extreme right-wing Kach ante-Arab party was banned on Sunda8. The liadjr1 of both parties said they would appeal in the Supreme Cozvt. Wpinion polls show the opposition Labour Party leading the rzling Likud coalition by a margin varying between 1p and 1v per cent.