In a letter to its workers in Iowa , Wal-Mart warned of the political events , including appearances by Mr. Bayh , Mr. Biden and Gov. Bill Richardson of New Mexico .
Bill Richardson /people/person/place_lived New Mexico
IN DT NN TO PRP$ NNS IN NNP , NNP VBD IN DT JJ NNS , VBG NNS IN NNP NNP , NNP NNP CC NNP NNP NNP IN NNP NNP .
Bill Richardson
PERSON
New Mexico
LOCATION
/people/person/place_lived