President Obama has sent another letter to Iran 's Supreme Leader . The two countries are already engaged in high-level negotiations , with a make-or-break deadline fast approaching on a nuclear deal . Frida Ghitis : Obama does n't seem to be a good negotiator when it comes to nuclear weapons . She says to suggest Obama is proposing to give Iran more concessions . Ghitis : Iran has played an expert role , and could use some help .
President Obama has sent another letter to Iran 's Supreme Leader . Frida Ghitis : Obama does n't seem to be a good negotiator when it comes to nuclear weapons . She says to suggest Obama is proposing to give Iran more concessions . Ghitis : Iran has played an expert role , and could use some help .