Iran’s foreign minister said Thursday that his country is ready to reach a lasting agreement with world powers, blaming the latest failure to revive Tehran’s tattered nuclear deal on an “unrealistic vision” by the United States. Speaking during a visit to Beirut, Hossein Amirabdollahian urged the U.S. to stop “wasting time.” Nuclear negotiations nearly reached completion on the deal earlier this month before Russia demanded that its trade with Iran be exempted from Western sanctions over Ukraine, throwing the process into disarray. Negotiators have yet to reconvene in the Austrian capital, and…