Clearly violating Twitter's rules and federal law, liberal supporters of Barack Obama continued to issue more threats to kill Mitt Romney on the social media site, Twitchy reported Saturday. "[I] hate mitt romney so bad that if he becomes president im gunna kill him (sic)," tweeted "Ocean Burst!" "Paul Ryan isn't all bad, but I swear to god I'm assassinating Romney if he gets elected (sic)," another person tweeted. "[O]bama better win, or I'm gonna assassinate Romney (sic)," added "SammySosaVisions." "No this billboard did not just say "Save the American dream & Fire Obama!" Ill Lynch Romney myself if he...