After skiing and parasailing across Anarctica for more than 90 days, explorers Ann Bancroft and Liv Arneson will test a different skill... waiting. The pair have decided to cut their expedition short by having a plane pick them up on the Ross Ice Shelf, instead of continuing another 470 miles on to McMurdo station. The plane rescue is not cheap-- it adds about 200-thousand dollars to the trip's expenses. Charlie Hartwell is president of yourexpedition.com, the Minneapolis company supporting the trip. He says with the anarctic winter closing in, continuing on would have been a risk: