From what I understand there is no law against talking to anyone. Keep you friends close and your enemies closer. It has been posted several times lately that he is not presently a member of La Raza. I do not want him for legitimate reasons not impugning his patriotism.
Murguia also noted Gonzales’ ties to the Hispanic community throughout his career. “Alberto Gonzales served with distinction on the board of directors of one of NCLR’s oldest and most respected affiliates, the Association for the Advancement of Mexican Americans (AAMA) in Houston, Texas. Moreover, during his tenure as White House Counsel, he has been one of the most accessible members of the White House staff to NCLR and other Hispanic organizations,” added Murguia.
And as usual The link (if you can stomach NCLR), This and his Anti-Gun stance is all I need to know about Gonzales.