TikTok accounts posing as politicians like Trump and Bernie Sanders keep cropping up, and it's another symptom of the app's ongoing struggle to police itself

· Parody accounts of world leaders are all over popular video app TikTok, Bloomberg reports.
· The app doesn't have a strong verification system to identify genuine accounts.
· Despite it's popularity, officials, especially in the US, have mostly avoided TikTok, at least in part due to security concerns over the...