Isaac Herzog, head of the centrist Zionist Union party, holds a news conference with party co-leader...
Isaac Herzog, head of the centrist Zionist Union party, holds a news conference with party co-leader Tzipi Livni (silhouetted behind him) in Tel Aviv to introduce the party's platform for the March 17 election, March 8, 2015. REUTERS/Baz Ratner (ISRAEL - Tags: POLITICS ELECTIONS)