The Georgia city is being urged to embrace a national wave of bail reform that has already taken hold in places like Chicago and Houston.
The storm, which dropped sleet or snow as far south as Florida, was expected to produce blizzard conditions as it moved up the Eastern Seaboard.
Mr. Portman, who was also a developer, built futuristic office complexes and hotels with towering atriums, transforming cityscapes across the world.
Thousands of passengers worldwide were stuck or seeking new travel plans after a sustained power failure at the Hartsfield-Jackson Atlanta International Airport.
Travelers were left in the dark in terminals and planes headed to Atlanta were halted. The airport is the busiest in the world for passenger traffic.
Fewer than 800 votes separated the candidates Keisha Lance Bottoms, who declared victory, and Mary Norwood, who said she would request a recount.