Bill Gates sits down with GeekWire to talk about what's on his mind in 2019, including what he would say to President Trump about nationalism vs. globalism, why he's pushing the U.S. to double down on nuclear energy, thoughts on the future of techbooks, and memories of his late Microsoft co-founder Paul Allen. Plus, his take on the viral photo of him standing in line at a popular Seattle burger stand.

See GeekWire.com for more coverage of the interview, and read Bill and Melinda Gates' 2019 annual letter at gatesletter.com.