Reversing sanctions introduced by Obama would "reward the Kremlin for its bad behaviour," Republican and Democratic letter pleads.
Besides Donald Trump's erratic behavior, American influence on the global stage is on the wane.
The invasion of Crimea vies with interference in the US election as the number one topic.
"Fake news" is holding back the Russia-U.S. special relationship, according to Sergey Ryabkov.
"If we simply try to carry on as we have in the past, the worldwide developments will definitely not be sustainable and inclusive," Merkel said.
How and when the meeting goes ahead depends on Putin's already busy schedule, the Kremlin asserts.
The president wants a full bilateral meeting, but his advisers would prefer a "pull-aside," sources say.
President Petro Poroshenko arrives in Washington, vowing to help Trump avoid "injustice" from Putin.
"The proposal remains in place," Finland's ambassador to Russia has said.
Turkey and India's leaders pledged tightening economic and counterterrorism ties.
Treasury Secretary Steve Mnuchin also succeeds in getting a promise to combat climate change dropped.
Putin's spokesman said the leaders could meet before the G20 summit in July.
Putin broke his international isolation without having to abandon his aggression.
While Putin's immediate target is Ukraine, ultimately he wants to redraw the map of Europe much as Hitler did at Munich.
The British prime minister doesn't yet have the answers to the big questions raised by Brexit.
Climate change is one of the few areas where there was concrete action taken at international summit.
The Russian leader announced he will return to four-way talks.
U.N. Security Council to meet Tuesday to discuss the three ballistic missiles that hit Japan's air defense identification zone.
Leaders of both Britain and Russia express hope that their first meeting will help to improve nations' dialogue.
A Chinese official tried to block adviser Susan Rice and the tarmac and yelled at a press aide who was coordinating reporters.
Two powers were close to a deal but ceasefire terms are still to be worked out.
Prime minister says she'll use the G20 summit to talk trade deals, and the image of post-Brexit Britain will become more clear in coming weeks.