In the past, Israel played at peace fakery in order to gain concessions from America and the EU. Lately Israel has realized that they can gain these concessions without having to exert themselves with peace fakery. This means that, if America or the EU want Israel to attend fake peace talks, they will have to come up with something really tempting to give Israel. The veto was nice. Obama took a bullet for Israel, but this is hardly enough to gain Israel's cooperation in peace fakery.
Judge orders Jerusalem Gay Pride attacker to undergo psychiatric evaluation (Haaretz)
from the article: EU tells Israel: Mideast turmoil makes peace talks imperative