In the midst of a high-profile visit by Vice President Joe Biden, Israel on Tuesday unveiled plans for new housing in disputed Jerusalem, a surprise step that embarrassed and angered the highest-ranking Obama administration official yet to visit the country. Biden, who had come to promote new peace talks and to smooth the Obama administration's strained relations with a longtime ally, instead denounced Israel's plans to build 1,600 new housing units in East Jerusalem as a threat to the search for peace. "I condemn the decision by the government of Israel to advance planning for new housing units in East...