NEW YORK — Rex Tillerson, the chief executive of Irving-based Exxon Mobil Corp., says fears about climate change, drilling and energy dependence are overblown. In a speech Wednesday, Tillerson acknowledged that burning of fossil fuels is warming the... Tillerson blamed a public that is “illiterate” in science and math, a “lazy” press, and advocacy groups that “manufacture fear” for energy misconceptions in a speech at the Council on Foreign Relations. He highlighted huge discoveries of oil and gas...