Senator Tom Coburn , Republican of Oklahoma , asked Mr. Chertoff how the administration could enforce the requirement that temporary workers leave after six years .
Tom Coburn /people/person/place_lived Oklahoma
NNP NNP NNP , NNP IN NNP , VBD NNP NNP WRB DT NN MD VB DT NN WDT JJ NNS VBP IN CD NNS .
Tom Coburn
PERSON
Oklahoma
LOCATION
/people/person/place_lived