three-quarters of an inch, over a500-pound. north of arkansas they re expecting a catastrophic ice storm, category 5, they could be without power for weeks. it s unbelievable. let s talk about that marathon for a second. how could people possibly run on icy streets? reporter: yes, it hasn t been canceled yet and that s the thing for me, my bigger concern is people coming into town and out of town during the busiest time of this ice storm so even more importantly how do they plan on getting here because i know they re not here yet and the hotels, many are sold out. people are losing power. there s nowhere else to go. my goodness. we ll check back with you, indra petersons, live in memphis, tennessee, this morning. we re carol, thank you. still to come, few can talk about the horror that nelson mandela had to endure, but one man can do that, a man that was in prison with nelson mandela at