Members of Congress were angered over the prisoner swap because President Obama didn't give them 30 days' notice, as required by law.
The two leaders are expected to discuss issues ranging from bilateral trade to security issues in the region.
Here's what the Secret Service had to say about the leaked video of President Barack Obama working out in a Poland gym.
The enrollees have inconsistent data in their applications that could lead to them losing coverage in isolated cases, officials said Wednesday.
A bomb attack could spill more than 7 million gallons of tar sands crude, says a consultant hired by a prominent Keystone XL opponent.
And what may have bothered villagers even more was the direction the U.S. soldier was headed.
Former U.S. Ambassador to Syria Rob Ford resigned because he could no longer support Obama's policies in the country.
A Republican congressman who called Bergdahl's release "the best news I've heard in a long time" deleted the tweet within 24 hours.
While the two leaders met in Poland, pro-Moscow rebels took over two Ukrainian military bases in Luhansk, following an air attack Monday.
The November agreement allowed for a six-month extension for a final deal to end sanctions on Iran and remove the threat of war.
Leaving no comrade behind is a core military value. But does it apply if a soldier walked away?
Sen. Mitch McConnell (R-Ky.) introduced a bill on Tuesday that attempts to keep the EPA's latest power plant rules from taking hold.
French Foreign Minister Laurent Fabius says it will defend BNP Paribas against "unreasonable" U.S. penalty.
Thousands of prisoners have applied for commuted sentences under President Obama's new drug clemency program.
The "European Reassurance Initiative" would bolster U.S. military cooperation with NATO and increase naval deployments on Russia's doorstep.
Bergdahl joined the army when it was short of soldiers to be sent to Afghanistan, and was deployed after 16 weeks of rigorous training.
Till date, government ministers have said little in public about BNP Paribas' negotiations with U.S. authorities.
President Obama is expected to meet Poroshenko and Putin during the World War II anniversary ceremonies in France later this week.
The release of the American soldier from Afghanistan is just the beginning.
U.S. regulators' plan to fine BNP Paribas $10 billion has as much to do with politics as with finance -- and Europe can't do much about it.
The Syrian president is assured of a landslide on Wednesday. But more importantly, he's beating the rebels in the field too.
The prisoner swap could deepen the distrust between Hamid Karzai's government and the U.S.