The foreign minister released a friendly video message as the long nuclear talks enter their final hours.
Foreign ministers are meeting in Vienna ahead of an extended deadline for an agreement.
The president announced plans for the countries to reopen embassies in their respective capitals this month.
A Clinton aide supplied the e-mails to the House panel investigating the 2012 attack in Benghazi, Libya.
Officials believe Ali Awni al-Harzi, a Tunisian, was involved in the 2012 Libya attacks before fighting in Iraq.
The NSC staff has doubled under Obama, leading to complaints that it is slow and unwieldy.
Talks between the Colombian government and the FARC are threatened by renewed fighting.
The U.S. embargo continues to impede agricultural exports to the island.
Weeks of strident statements on both sides of the border had worried American officials.
In a statement issued by the White House on the eve of the 100th anniversary of what he called the Meds Yeghern, Armenian for “great calamity,” Obama referred to it as a “massacre,” a “terrible carnage,” “horrific violence” and a “dark chapter of history.”