washington — U.S. President-elect Donald Trump announced on Wednesday he is nominating Republican Senator Marco Rubio, a senior member of both the foreign relations and intelligence committees and former political rival, to be secretary of state. “He will be a strong Advocate for our Nation, a true friend to our Allies, and a fearless Warrior who will never back down to our adversaries,” Trump said in a statement. Rubio, 53, is known as a China hawk, an outspoken critic of Cuba’s Communist government and a strong backer of Israel. In the past, he has advocated for a more assertive U.S.