National Public Radio: President-elect Obama is expected to formally announce the members of his energy and environment teams Monday, making good on promises to focus on global warming with the appointment of a strong slate of candidates that includes Nobel laureate Steven Chu. Obama is expected to announce his picks at a 5 p.m. ET news conference in Chicago. It was learned last week that Chu is his choice to lead the Energy Department, and Lisa Jackson, former commissioner of New Jersey’s Environmental …