Axios

Sam Nunberg, one of President Trump's earliest campaign advisers, has been subpoenaed to appear in front of a grand jury Friday as part of Special Counsel Robert Mueller's Russia probe, The Washington Post reports. Nunberg told the newspaper he will not comply with the subpoena and plans to tear the document up during an appearance on Bloomberg TV.

Let him arrest me. Mr. Mueller should understand I am not going in on Friday.

HOUSTON -- The big energy confab CERAWeek by IHS Markit gets underway today in America’s oil capitol. Here’s a Q&A from an interview last week with conference host and energy historian Dan Yergin.

HOUSTON — One of the world's largest energy conferences is focusing more than ever on new technologies helping big oil and gas companies cut costs and carbon emissions.

Why it matters: The spotlight on new tech underscores how the high-carbon parts of the energy industry are trying to embrace the future of low carbon and high tech. The extent to which this conference evolves reflects the very evolution of the sector itself.

Solar power expert Varun Sivaram is getting lots of buzz for his just-published book Taming the Sun: Innovations to Harness Solar Energy and Power the Planet.

Why it matters: Sivaram warns that absent major innovations, solar's current boom will hit a ceiling that's far below its potential to fight climate change and provide affordable energy worldwide.

The International Energy Agency's new five-year oil market outlook warns that surging U.S. oil production might not be enough to prevent inadequate global supplies in a few years.

Why it matters: The annual report released Monday signals that despite the price rebound and a major upward revision in U.S. production estimates, the agency remains concerned about the shape of the global market as soon as the early part of the next decade.