. >> tom: meantime, cigna healthcare faces a $100 million gender discrimination lawsuit. a female manager is suing the company, claiming it unfairly blocks female employees from promotions and high paying jobs. the lawsuit is seeking class- action status. cigna says it's reviewing the complaint, adding the company is committed to diversity and equal opportunity. >> susie: in silicon valley, the land of high tech, there's nothing more sacred than intellectual property. but tonight's commentator says, unfortunately, that's not true everywhere. he's harry lin, c.e.o. of taaz.com, a venture capital- backed technology start-up in san diego. >> there's a strong rumor that an internet company known as the "facebook of china" is going to go public on the u.s. market this year. renren, which means "everyone" in mandarin, is a popular social-networking site in china. unlike facebook, which dominates social networking in this country, renren has many competitors, or clones. see, in china, the difference between competition and copying is blurry. the notion of protected intellectual