Israel apologized for embarrassing Vice President Joe Biden by announcing it had approved 1,600 new homes in disputed east Jerusalem while the vice president was engaged in talks with Palestinian leaders. But Biden's blast at Israel's plan will only make the Obama team more unpopular in Jerusalem. Reihan Salam on America's waning influence abroad. Among Israelis, opinions of the Obama administration are decidedly mixed. Last year, many latched onto poll numbers that suggested that President Obama only had the support of 4 percent of Israelis. Yet those shockingly low numbers were misleading. Another survey, sponsored by the New America Foundation,...