Brad Parscale, digital director for Trump's 2016 campaign, was a critical factor in the president's election. Now questions surround how he did it.
Brad Parscale, digital director for Trump's 2016 campaign, was a critical factor in the president's election. Now questions surround how he did it. https://t.co/lyn2xVn9gNpic.twitter.com/tD8DTI9HLt