U.S. President Joe Biden and his Russian counterpart Vladimir Putin failed to make a breakthrough in their talks on Saturday that took place amid heightened concerns over a possibly imminent Russian invasion of Ukraine, according to a U.S. government official."There was no fundamental change in the dynamic that has been unfolding now for several weeks," the official said following the phone call between the two leaders, referring to the tension over Russia's military buildup on the borders of Ukraine.The call took place after the U.S. national security adviser, Jake Sullivan, warned on Frid…READ FULL ARTICLE
