gm is preventing them from entering certain key markets and is taking a stake in citron. opel's ceo says he is not working. >> this alliance helps us in the purchasing process. we can buy parts together and improve our cost effectiveness. >> volkswagen is showing its effectiveness with a 1200 horsepower body sports car. at the other end of the scale, a compact car for less than 10,000 euro. they are out shining in terms of sales growth and profits. >> we are big enough. the alliances being formed now show we are taking been right approach with modular parts spread across the brands. then we will be successful. >> they're hoping they can copy some of vw's success. >> if you're not every screwdriver, why you needed to all hundred horsepower car? >> to go cruising on the autobahn.

general motors is tieing up with citron, the world's eighth biggest automaker. the u.s./french tie-up will create the world's largest alliance. annual sales are likely to exceed 12 million units. that's over 50% more than any other car maker in the world. the firms say gm will acquire a 7% stake in citroen, which coincides with the french car maker's pl to boost its capital. the automakers plan to share key components. they'll set up a joint venture to coordinate the procurement of parts and materials. that's to bolster their operations mainly in the sluggish european auto market. there u the brand alliance, the firms will develop small and mid-sized cars using a common framework. aaim to launch new models within four years and eventually boost their profits to about $2 billion annually. general motors and citroen together sold over 12.5 million cars last year. that's far above the unit sales for the world's second largest auto worker, volkswagon. third biggest, toyota, sold nearly 8 million last year. >>>s the head of the u.s. central bank has expressed caution about th

citron responded, i had to tell the drea snyderman resp well, then i have to do what i have to do. >>ter: the judge found snyderman's actions highly inappropriate and banned her from the courthouse. >> andrea snyderman is playing each and every one of us for a fool. >> reporter: her friend later returned to the stand saying the encounter caused her to worry for her children's safety. >> i was just more shocked and overwhelmed with a lot of different emotions. >> reporter: as thursday's testimony drew to a close, the psychologist told the jury snyderman's constant calls, texts and e-mails to newman in the months leading up to the murder further confused an unstable man. >> it's a pattern of pushing him away, pulling him toward her. the part that's dangerous about doing that at that time with mr. newman is that he was already delusional about his relationship with her. >> reporter: the prosecution doesn't buy the defendant's plea of not guilty by insanity. instead they say he spent weeks carefully planning the murder. to be clear, andrea snyderman is not on trial and she's not charged w