Blue and yellow signs advertising new homes pepper the narrow West Bank roads that wind up to gated hilltop Jewish settlements. "A new stage is on its way," reads one billboard promoting a dozen homes being built in Talmon, a small Israeli settlement not far from Ramallah, the de facto Palestinian capital. As construction workers press ahead on these modest town houses, telephone salesmen dismiss concerns that Israel's pledge to restrict settlement construction in the West Bank could halt the building. ...