this morning on world news now, millions in misery. the giant heat dome that is trapping the eastern half of the country in a hellish air mass. it is taking its toll. the northeast, temperatures should hit the triple digits, an unprecedented danger. it is friday, july 22nd. from abc news, this is world news now. good morning, i m peggy bunker. i m rob nelson. happy friday, everybody. on top of the heat and humidity, even the air quality in many cities is in the danger zone. as people turn up the ac, power companies arartaking precautions to prevent blackouts. it is amazing the ripple effects with so much of the country in this oven for the last several days. it could go well into the weekend. it is incredible. i can t walk the dogs, i can t really take the babies out for a stroll.