Duke Energy ranks in the top 10 energy companies in the country for solar generation. Duke Energy Progress came in at No. 5, Duke Energy Carolinas at No. 10. "In total, the utilities have just under 200 megawatts of solar power - an amount that is still about half what one typical coal plant generates." Maybe one day the largest utility in the country will rank first.

A prison in Oklahoma halted an execution after a drug cocktail failed, leaving the inmate writhing and clenching his teeth on the gurney. Clayton Lockett, 38, later died of a heart attack.

According to the World Health Organization, disease-causing bacteria that are impervious to antibiotics are so widespread, they threaten the "achievement of modern medicine." The bacteria leads to such illnesses and infections as bloodstream infections, diarrhea, pneumonia, urinary tract infections and gonorrhea. "If no action is taken today in order to reduce the spread of antibiotic-resistant microbes and find new solutions, we may reach the point where some infections will not be treatable anymore," says Carmen Pessoa Da Silva, a Brazilian physician who leads a WHO program on the issue. (But here's some good news in the fight against HIV.)

Boxing giant Floyd Mayweather Jr. says he wants to buy the L.A. Clippers after the NBA banned the team's current owner, Don Sterling, from the league for life following racist comments he made that were caught on tape.