Following a report that Senator Mark Warner, a Virginia Democrat, is at odds with President Joe Biden's reelection bid, a novelist's cryptic post on Friday about the senator is raising eyebrows on social media.According to a Friday report by The Washington Post, Warner is attempting to assemble a group of his Democratic colleagues to ask Biden to conclude his presidential run. (snip) Following the report, author Don Winslow took to X, formerly Twitter, on Friday to post a cryptic message addressing Warner as he seemingly warned the senator if he wanted to "go down this road.""Dear @MarkWarner. Are you sure...