By Ashley Parker, The Washington Post WASHINGTON – The White House blamed the Obama administration Sunday for failing to tackle possible Russian collusion in the 2016 presidential election, sticking with a new strategy to fault President Donald Trump’s predecessor for an issue currently facing the president himself as part of a widening FBI probe. Appearing on ABC’s “This Week” on Sunday morning, Kellyanne Conway, counselor to the president, struck a combative tone, saying: “It’s the Obama administration that was responsible for doing absolutely nothing from August to January with the knowledge that Russia was hacking into our election.