JERUSALEM — After a frustrating week of shuttle diplomacy here in which the Obama administration failed to persuade Israelis and Palestinians to renew peace talks, leaders of the two sides are heading to the United States to make their cases again that the administration should push the other harder.

Following the comments by Nigeria's oil minister Odein Ajumogobia, US light crude fell 27 cents to $87.34, while Brent pulled back 51 cents to $83.04.