At a ceremony Friday to bring home the remains of the slain Americans , Obama acknowledged the unrest in Libya and other Arab Spring nations , saying `` these are difficult days . '' NEW : `` These are difficult days for the United States and its allies in the Middle East. Mitt Romney says Obama will be untruthful in the debates . Paul Ryan blames 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 for the United States and its allies in the Middle East. Mitt Romney says Obama will be untruthful in the debates . Paul Ryan blames Obama for anti-American unrest in Arab nations . The Obama campaign calls Ryan 's criticism `` over-the-top '' and dishonest .