Changing Subject Amid a Pandemic, Trump Turns to an Old Ploy: Blame Obama

WASHINGTON — President Trump has embarked on an aggressive new drive to rewrite the narrative of the Russia investigation by making dark and unsubstantiated accusations that former President Barack Obama masterminded a sinister plot to bring him down. On Twitter, on television, in the Rose Garden and even on an official White House social media page, Mr. Trump in recent days has taken aim at his most recent predecessor in a way that no sitting…