this morning on "world news now," extreme weather. the dangerous storm bringing even more snow and flooding downpours to millions of american commuters this morning. accu-weather has it covered. diplomate attacked. the american ambassador to south korea covered in blood and rushed to the emergency room. the latest on his condition. the suspect, we'll tell you what happened here. caught on camera a school bus driver dozing off and causing a seven-car accident. a newly released jaw-dropping video and new concerns about sleeve-deprived drivers. later in "the skinny" conan o'brien in cuba. the comedian's adventures of the talk show host. we will show you the comic adventures. breaking new ground while looking for some laughs. it is thursday, march 5th. >> announcer: from abc news,