by Kelly Macnamara Agence France-Presse SEOUL, South Korea (AFP) – US President Donald Trump is “mentally deranged” and will “pay dearly” for his threat to destroy North Korea, Kim Jong-Un said Friday, as his foreign minister hinted the regime may explode a hydrogen bomb over the Pacific Ocean. In a rare personal attack published hours after Washington announced tougher sanctions, the North Korean leader took aim at Trump over his maiden speech to the UN General Assembly in […]