Finally, we've reached social media's high-water mark: George W. Bush used Instagram to proclaim that Bill Clinton is his "brother from another mother."
Here's how it went down. Former President Bush has a new book about his father, George Bush Sr., that's called, appropriately, 41.
When Clinton got a copy of the book, he promptly tweeted out a photo of the former president reading the hardcover: "Received my copy of #41 by #43, George W. Bush. Touching tribute!" he wrote, including the hashtags #HowAreYouSTILLNotOnTwitter and #PresidentialTweeters.
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