On this last day of 2010 we revisit the story taking place in Ciudad Juarez, in Mexico. It's a story that we've been sad to return to repeatedly, not just this last year, but over the last four years. Yesterday we heard reports of four more dead in the longstanding Mexican drug war between drug cartels and border troops. Gunmen believed to be linked to the cartels killed four police officers and a doctor in coordinated attacks around the nearby city of Monterrey.

"You are, at present, the de facto authorities in this city," reads an op-ed appealing to Chihuahua drug cartels in the Mexican newspaper El Diario. In recent weeks, two El Diario journalists have been killed by drug-related violence, most recently a 21 year old photographer. Now, the editors of the paper are publicly calling on the cartels to stop killing journalists.

A high level U.S. delegation led by Secretary of State Hillary Clinton is in Mexico today. The diplomatic meeting's guest list reads more like a war council – Clinton is accompanied by the Secretary of Defence, the Secretary of Homeland Security, the Chairman of the Joint Chiefs of Staff and various intelligence officials and follows the death of three people associated with the U.S. Consulate in Mexico's Ciudad Juarez earlier this month.

Journalist Charles Bowden has been reporting on Juarez for fifteen years. He is the author of a new book "Murder City: Ciudad Juarez and the Global Economy’s New Killing Fields."

UPDATED 6:30 p.m.

Arwa Gunja here on the night shift.

Not much has changed for tomorrow’s show.  We learned this afternoon that Google has decided to shut down its operation in China. The company made this decision after it learned Gmail accounts were being hacked by the Chinese and after months of talks over China’s censorship rules. Internet users in China will now be redirected to the Hong Kong version of the search engine. Who wins and who loses in this deal? China is the largest and fastest-growing internet market, but Google is the most popular search engine. And what does this mean for China’s role as an emerging powerhouse in the global market?

We also take a look at disabled employees in the workforce. The unemployment rate for people with disabilities is at 14 percent, compared to 10 percent in the general population. We’ll ask what can be done to narrow that gap.