WASHINGTON — The Trump administration's back-to-back controversies over its Russian ties now have at least one thing in common: Ambassador Sergey Kislyak. Moscow's top diplomat is a Washington fixture ...

Federal prosecutors revealed in court Friday that former national security adviser Michael Flynn had been in touch with senior Trump transition officials several times about his calls with the Russian ...

Congressional investigators are examining whether Attorney General Jeff Sessions had an additional private meeting with Russia’s ambassador during the presidential campaign, according to Republican ...

In Washington, D.C., there is a dark horse in the race for Mr. Popular. It's the Russian ambassador, Sergey Kislyak. This week, there was yet another wowie (ph) of a revelation tying the Trump ...

WASHINGTON — In a blow to GOP efforts to create a cloud of scandal around so-called "unmasking," two sources familiar with the matter tell NBC News that then-National Security Advisor Michael Flynn's ...

WASHINGTON — The Russian ambassador who met with then Sen. Jeff Sessions last year has left a path of repeated involvement in the U.S. presidential election campaign. Ambassador Sergey Kislyak’s staff ...

Sergey Kislyak is Russia’s ambassador to the United States. In December, Flynn had telephone conversations with Kislyak in which he discussed sanctions that the Obama administration had recently ...