Michael Totten writes at
World Affairs that...
White House press secretary Jim Carney refused to publicly name the capital of Israel yesterday. All he was willing to say when asked repeatedly is that the White House position on Israel’s capital hasn’t changed...
It’s a fact—not an opinion—that Jerusalem is Israel’s capital. Anyone
who insists otherwise is in denial. You may wish Tel Aviv was its
capital. You may even wish a united Al Quds was the capital of the Arab
state of Palestine. But those things can only be true in an alternate
universe or in the future. In this universe, in 2012, Israel exists and
Jerusalem is its capital.
Only one of Israel’s national government buildings—the ministry of
defense—is in Tel Aviv. All the others are in Jerusalem. And all of them
are on the western side of the city inside the internationally
recognized borders. The only people who dispute Israel’s right to exist
in west Jerusalem are those who dispute Israel’s right to exist
anywhere.
Apparently the only people who don't know that Jerusalem is the capital of Israel are those in the Obama administration.