U.S. believes must engage in active, aggressive Iran diplomacy

NEW YORK (Reuters) - The United States believes that it needs to pursue active and aggressive diplomacy with Iran to determine whether a diplomatic solution on Tehran's nuclear program is achievable, a senior U.S. administration official said on Saturday.

"In order to really seriously test whether we can reach a diplomatic solution with Iran on its nuclear program, we believe we need to engage in very active and very aggressive diplomacy," said the U.S. official, who spoke on condition of anonymity.