>> duncan: taiwan tensions, the self-ruled island rejects china's reunification call with a show of military force. and imagine this: iceland with no ice, because it's melting fast. cbs news is there. and later, a phlebotomist treats his patients to a song. >> this is the cbs weekend news, from new york, here's jericka duncan. >> duncan: good evening to our viewers in the west and thanks for joining us. this has been a rough weekend if you are flying southwest. nearly 2,000 flights have been cancelled leaving passengers scrambling. the airline blames disruptive weather and air-traffic control issues, although the f.a.a. attributes the disruptions to staffing and aircraft issues. no other airline has reported similar problems today. cbs' lilia luciano is in los angeles at the international airport there. lilia, it appears those problems really started before today.