Yitzchaki, Livni threaten to quit if Olmert doesn't

Ehud K. Olmert may go home before nightfall.Coalition Chairman Avigdor Yitzchaki - a protege of Ariel Sharon who has no particular loyalty to Olmert - has threatened to resign if Olmert does not resign by the end of today.A cabinet meeting that was scheduled for tomorrow has been moved up to this afternoon at 4:00. At the meeting, Foreign Minister Tzipi Feigele Livni is expected to tell Olmert