President Biden's re-election campaign officially launched its TikTok account on Sunday with a Super Bowl-themed video. Why it matters: The move comes after Axios first reported in November that the Biden campaign has been weighing joining the app to reach younger voters on the platform‚ despite data security concerns surrounding the Chinese-owned company. Driving the news: In a video captioned "lol hey guys‚" Biden answered fun Super Bowl related questions such as "game or commercials"...