In the News: Apple, Cheezburger, Citigroup and more

Apple's Tim Cook steps into the spotlight as Steve Jobs goes on his second cancer-related medical leave.

Blockbuster seeks more cash from creditors.

Cheezburger Network raises $30M from investors.

Citigroup appears to have turned the corner.

Discovery resurrects former health channel that made way for the Oprah Winfrey Network.

Facebook suspends phone and address-sharing feature, spurs ad spending to est. $3B this year.

GE to share jet technology with China.

Golden Globes hosting by Ricky Gervais sparks uproar, even as ratings improve.

Goldman Sachs excludes US investors wanting a piece of Facebook — on track for $1.5B IPO.

HP uses branded entertainment to promote ePrint technology.

Kraft, Adidas and Disney advance innovative shopper-marketing initiatives.

Nokia stops free music downloads in the UK.

Piers Morgan's CNN debut garners mixed reviews as exec. producer defends on Twitter. Post-Oprah guests include Ricky Gervais and Howard Stern.

Regis Philbin announced he's stepping down from his weekday talk show after 28 years.

Roku lands its first cable channel in Wealth TV.

Starbucks faces union protest in NYC despite paying workers MLK Day holiday pay.

Toshiba's 3D TV engineer paves way for women in tech.

UBS changes much-mocked dress code.

Unilever ramps up in emerging markets.

Wal-Mart's bid for South Africa's Massmart chain approved by shareholders.

YouTube today hosts virtual meetup for brand partners and streams Lexus-sponsored Broken Social Scene concert.