Nothing short of a credible military threat — and certainly not negotiations with a US leadership anxious to revive a failed accord — will deter the ayatollahs' nuclear drive now

Danny Citrinowicz, ex-head of Military Intelligence research, says politicians' inability to adopt a nuanced approach led to 'colossal' policy failure, sped up Tehran's nuke effort

In Glasgow, former US president acknowledges: 'We have not done nearly enough to address this crisis'

Those in attendance at Washington National Cathedral include former presidents Bush and Obama, former secretaries of state Baker, Rice and Clinton and ex-defense secretary Gates

In upset, lawmaker attracts Trump's base while also appealing to suburban voters who were repelled by ex-president

Ben Rhodes tells podcast he appreciates that Israel's new PM is 'candid' about his views, welcomes leaders who don't seek 'a public fight to help their politics back home'

Council chief: EU summit 'without Angela is like Rome without Vatican, Paris without Eiffel tower'; Obama sends video tribute; German chancellor warns of bloc's future challenges

Biden, Obama, Clinton and Bush all take part in ceremonies marking 20 years since devastating terrorist plane attacks on World Trade Center and Pentagon

Filmmakers play it safe in the historical drama out Sept. 3 about a controversial victim compensation fund, avoiding grittier details in an effort that rings hollow 20 years later

World leaders, including Prince Charles and Mahmoud Abbas, write and phone outgoing president as he steps down