Recep Tayyip Erdogan will confront Biden with the issue on Wednesday.
"I don’t think he understands what Article 5 is," Biden said.
A GOP lawmaker warned that Iran could "undermine U.S. interests" in the region.
North Korea threatened a "preemptive nuclear strike" over the drills.
The attack killed at least 51 at a wedding party.
OPINION | The whole episode, on both sides, is nothing more than brand enhancement.
A Chinese telecom giant allegedly tried to circumvent export restrictions on Iran.
Iran was going to get the $400 million back anyway, U.S. official says.
Doubts have risen about a reported robbery of four swimmers, including Ryan Lochte.
Rep. Adam Schiff said the briefing wouldn't include "much beyond" public news reports.
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Tim Cook is visiting the country after Chinese regulators shut down some Apple services.
The State Department said Tuesday that Turkey has formally requested the extradition of Turkish...
OPINION | Human rights activists deem the Rohingya the most persecuted minority in the world.
The country is on high alert after two Islamist terrorist attacks and a shooting rampage.
The planet's newest country is confronting a bleak crisis.
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OPINION | Obama lied about the ransom and ignores latest hostages
The U.S. swimmer said he should have been "more careful and candid" on his story.
Two U.S. swimmers were indicted for falsely reporting a robbery, according to reports.
Republicans have blasted the payment, which the White House insists wasn't a ransom.
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OPINION | The war in Ukraine and Russia's meddling is the real story.
"Beware of #landmines or anything that looks like an old bomb!"