Lt. Gen. Gadi Eisenkot underwent successful prostrate surgery last month; deputy took over during convalesence By Times of Israel staff and Judah Ari Gross IDF Chief of Staff Lt. Gen. Gadi Eisenkot speaks at a conference at the Interdisciplinary Center in Herzliya January 2, 2017. (Flash90) IDF Chief of Staff Lt. Gen. Gadi Eisenkot was expected…