Iran four years closer to gaining a nuclear weapon . NEW : ` ` These are difficult days , '' Barack Obama warns of anti - American unrest . Mitt Romney says Obama will be untruthful in the debates . Paul Ryan criticized Obama for anti - American unrest in Arab nations . The Obama campaign calls Ryan 's criticism ` ` over - the - top '' and dishonest .
NEW : ` ` These are difficult days , '' Barack Obama warns of anti - American unrest . Mitt Romney says Obama will be untruthful in the debates . Paul Ryan criticized Obama for anti - American unrest in Arab nations . The Obama campaign calls Ryan 's criticism ` ` over - the - top '' and dishonest .