(Ricardo B. Brazziell | Austin American-Statesman via AP) Brett Archibald tries to entertain his family as they attempt to stay warm in their home the BlackHawk neighborhood in Pflugerville, Texas, Tuesday, Feb 16, 2021. Anger over Texas’ power grid failing in the face of a record winter freeze mounted Tuesday as millions of residents in the energy capital of the U.S. remained shivering with no assurances that their electricity and heat — out for 36 hours or longer in many homes — would return soon or stay on once it finally does.