President Vladimir Putin signs new military doctrine outlining dangers.
American move echoes earlier action from European Union.
His comments come as the value of Russia's currency plummets.
The bill was passed unanimously by both the House and Senate.
Economic realities will force Putin to tack back to the center on some issues.
Russia and the EU, however, need each other.
Sens. McCain, Corker and Burr are ready to push back on Obama's agenda.
Reports say the Pentagon could face a $60 billion shortfall.
Like some other parts of Europe, anti-Semitism exists in Ukraine as a low-grade fever that lingers...
"They didn't have time to cover issues," said an official about the encounter.
Both Ukraine and the West need to seize the opportunity to push through difficult reforms.
The escalation of Russian military activity demands a strategic reset of the defense budget.
Russian foreign minister blames West for problems in Ukraine.
The bill will level new sanctions on Russia and pave the way for lethal arms to Ukraine.
The White House is "evaluating" the legislation approved by Congress.
Even though he continues to be widely popular in his own country, there are several reasons why he...
The West should instead boost its assistance to Ukraine and put more pressure on Moscow.
NATO's military chief said Russian troops were "training [and] equipping" rebels in Ukraine.
A GOP Congress might mean a more active and ambitious US foreign policy.
The two Republican senators want President Obama to reverse his previous position.
Tensions are already high between Russia and NATO amid the Ukraine crisis.
We see as much continuity as change in the conduct of the elections.
Russia has conducted military flights in European airspace in recent days.
The flights have included fighter jets and long-range bombers.