Nearly a million Texans were still without power on Friday. And the utility company with the most outages was facing threats of violence. ... HOUSTON — Eating becomes more difficult when the power is out. Ovens, refrigerators, microwaves, and electric stove tops become obsolete. L. Myra Gainous’ shopping cart displayed that at an H-E-B grocery store Friday afternoon. As the 83-year-old Houstonian left the store, her cart was stocked with chips, bread and fruit snacks — food she can eat until her electricity returns. Gainous is one of nearly 1 million customers still living without power five days after Hurricane...