speaking out. i don't know how she's doing it but after that incredible swim she has somehow funneled the energy to talk about it all. she's the first person to swim from cuba to florida without a protective shark cage and it only took a mere 53 hours to do it. continuous. 53 hours of swimming. havana to key west. this is her fifth and she said it would be her final attempt at the dream that she's had for over three decades. in fact, some say she really drercht it up at age 8. but yesterday it finally came true. look at this remarkable video of her actually landing on tera firma here in the united states. it's hard to walk after 53 hours of swimming. wow. dr. sanjay gupta, our cnn chief medical correspondent has been on this story. when i say from the beginning, i watched your documentary last night on her remarkable five attempts and the ultimate attempt that was so devastating