Esty has been a law clerk for a federal judge , a Supreme Court lawyer at Sidley Austin LLP in Washington , D.C . , and professor at American University .
PROPN AUX VERB DET NOUN NOUN ADP DET ADJ NOUN , DET PROPN PROPN NOUN ADP PROPN PROPN PROPN ADP PROPN , PROPN . , CCONJ NOUN ADP PROPN PROPN .