The US will call these settlements "illegitimate" and "unhelpful." And that's where US pressure on Israel ends! This is the exact reason why Palestinians NEED to go to the UN and the US not veto their bid! However, Obama is a mentally weak leader and will back down to AIPAC. He has no backbone and the entire world will see it when he "embarrassingly" vetos a Palestinian state at the UN.
Syrian rebels call for regional alliance against Russia and Iran (Reuters)
from the article: Netanyahu seeks to legalize outposts built on private Palestinian land