NEW : Dai Bingguo calls China behavior `` reckless '' The meeting between the two nations is the first since the flareup . But the United States has thus far refused , looking first for proof that North Korea is serious about not stoking military tensions and serious about stifling development of its nuclear program . Official : `` The two sides reached consensus '' Mullen challenges North Korea 's to use its influence with North Korea 's .
NEW : Dai Bingguo calls China behavior `` reckless '' The meeting between the two nations is the first since the flareup . Official : `` The two sides reached consensus '' Mullen challenges North Korea 's to use its influence with North Korea 's .