Billionaire Carlos Slim, seen here on June 15, met with President-elect Donald Trump at Mar-a-Lago in Palm Beach, Fla., over the weekend. : Bloomberg photo by Susana Gonzalez – Susana Gonzalez Billionaire Carlos Slim, seen here on June 15, met with President-elect Donald Trump at Mar-a-Lago in Palm Beach, Fla., over the weekend.