thanks to gloria rivera and producer alex waterfield for that. we'll be right back. work for adults who have tried other medications but still experience the symptoms of moderate to severe crohn's disease. in clinical studies, the majority of patients on humira saw significant symptom relief, and many achieved remission. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal events, such as infections, lymphoma, or other types of cancer, have happened. blood, liver and nervous system problems, serious allergic reactions, and new or worsening heart failure have occurred. before starting humira, your doctor should test you for tb. ask your doctor if you live in or have been to a region where certain fungal infections are common. tell your doctor if you have had tb, hepatitis b, are prone to infections, or have symptoms such as fever, fatigue, cough, or sores. you should not start humira if you have any kind of infection. ask your gastroenterologist about humira today. remission is possible. [ sneezes ] [ male announcer ] you

for "nightline," gloria rivera in china. >>> our thanks to glor ia for that.ing a wrecking ball to her career. ♪ i never hit so hard in love help the gulf when we made recover and learn the gulf, bp from what happened so we could be a better, safer energy company. i can tell you - safety is at the heart of everything we do. we've added cutting-edge technology, like a new deepwater well cap and a state-of-the-art monitoring center, where experts watch over all drilling activity twenty-four-seven. and we're sharing what we've learned, so we can all produce energy more safely. our commitment has never been stronger. man: [ laughs ] those look like baby steps now. but they were some pretty good moves. and the best move of all? having the right partner at my side. it's so much better that way. [ male announcer ] have the right partner at your side. consider an aarp medicare supplement insurance plan, insured by unitedhealthcare insurance company. go long. [ engine revs, tires squeal ] [ male announcer ] since we began, mercedes-benz has pioneered many breakthroughs

and our special edition of "nightline" sends gloria rivera and

abc's gloria rivera is in the middle of it all. >> reporter: it is air so toxic, so thick with pollution it's hard to make out the person next to you. china, a home to more people than live in the entire state of new jersey frozen in a soup. on the roads, it's hard to even make out red from green traffic lights. warnings to stay indoors for those venturing out a mask is the only defense. winter is the start of smog season in china. some say the smog is nearly five times as bad as today's reading in bakers field, california. america's smoggiest spot. headlines last january smog so bad it was hard to see the sun. your eyes itched and throat burned. watch me wipe a thin layer that's accumulated on most cars. that's soot and grime. this is my own air purifier. watch this. look, that's what we're breathing in beijing. one expect told me it's like becoming an instant smoker. in china today a mind blowing 1.2 million premature deaths are blamed on air pollution. it's being called an air apocalypse and with winter setting in the forecast is only for more smog. abc's, beijing. >>> from china to m

gloria rivera, abc news, beijing. >> stunning. >>> the usually sunny pacific coast of mexico will get to hurricane raymond. the storm is stationary with winds 120 miles an hour. raymond dropped off rain to cause street flooding in acapulco and beach communities the real fear is about a possible landslide in various areas that get heavy torrential rains. >>> here's a look at your weather now. a cold front brings snow to the upper midwest. expect up to four inches. scattered rain showers along the east coast from maine all the way down to florida. clear across most of the western half of the u.s. >> temperature thes in the east will be seasonal. summer-like in orlando, upper 80s. chilly across the midwest and warmer than normal along the west coast. >>> some business headlines this morning. we start with the tablet wars getting underway. apple expected to unveil its new line of ipads. speculation is they will have a new high-resolution display and thinner, lighter design and not to be outdone, nokia is rolling out its version. all just in time for early holiday season shoppers. >>> shar

gloria, asi pasan muchos por la vida. seÑoras y seÑores. >>> todo el mundo. >>> pare la oreja. >>> hasta pararon la guitarra. >>> mire, ahora sÍ, en serio, les cuento, nuestra buena amiga de la casa, zuleyka riverauelto a separarse. >>> sÍ. >>> ahÍ estamos viendo fotos, se habÍan reencontrado, y fuertes rumores el jugador pretende pelear la custodia de su hijo, mÁs adelante en el revoltillo, alan cuenta los detalles. es como una novela. >>> sÍ, habian regresado, habÍa una demanda desde abril, no tanto de paternidad, sino de manutenciÓn. >>> se decÍa que volvieron. >>> sÍ, y tambiÉn se comentaba que eran fotos viejas, antiguas, no concordaban las cosas. >>> la Última vez que vino zuleyka, que volviÓ loco a todo el mundo. >>> sÍ. >>> le preguntamos por david bisbal. >>> que volviÓ con la ex pareja. >>> sÍ, exacto. >>> hay un mezclote ahÍ. solo ellos y papÁ dios sabe, informamos como debe ser. >>> son muchos, si nos metemos. >>> el que menea la olla es el que sabe lo que hay adentro. >>> solamente la cuchara que menea la olla, una cosa de esas. >>> mÁs vale pajaro en mano que cien volando. >>> el que quiere celeste que le cueste. >>> no somos machos, pero somos muchos. >>> quÉ pasÓ compadre? >>> ha