NEW : Merkel lived to see the wall come down , and went on to become the first woman to serve as German chancellor , the president noted . Obama bestowed nation 's highest civilian honor on Merkel . Obama warns of possible new sanctions against Germany . ` ` I trust her , '' Obama says of the visiting German ambassador . The two leaders emphasize personal rather than policy differences .
NEW : Obama bestowed nation 's highest civilian honor on Merkel . Obama warns of possible new sanctions against Germany . ` ` I trust her , '' Obama says of the visiting German ambassador . The two leaders emphasize personal rather than policy differences .