Russian agents have hacked into the Ukrainian gas company at the center of the scandal that led to President Donald Trump's impeachment. The hacking attempts against Burisma began in early November. Hunter Biden, son of former vice president and Democratic presidential hopeful Joe Biden, previously served on Burisma's board. It is not yet clear what the hackers found, or precisely what they were searching for. The timing of the attacks suggest that Russia could be searching for potentially embarrassing