As a playwright , Mamet has won a Pulitzer Prize and received Tony nominations for `` Glengarry Glen Ross '' ( 1984 ) and `` Speed-the-Plow '' ( 1988 ) .
Mamet has won a Pulitzer Prize and received Tony nominations for `` Glengarry Glen Ross '' ( 1984 ) and `` Speed-the-Plow '' ( 1988 ) .