Tomorrow nightÂs first presidential debate moves the race into a head-to-head match-up between Republican Donald Trump and Democrat Hillary Clinton â since the private, two-party controlled Commission on Presidential Debates decided to deny voters an opportunity to hear from Libertarian Gary Johnson and the Green PartyÂs Jill Stein.Mr. Trump seems happy to have Hillary Clinton mano a mano â or hombre contra la mujer (man against woman).