Nico Rosberg speaks to Yahoo! Singapore

May 21 (Bloomberg) -- Twitter Inc. Chairman Jack Dorsey talks to Emily Chang of "Bloomberg West" about starting a company and how he manages his schedule.

A genocide conviction against former Guatemalan military leader Efrain Rios Montt has been overturned by the country’s highest court. The 86-year-old was found guilty earlier this month of overseeing the killings of at least 1,771 members of the Ixil Maya ethnic group during his rule in the early 1980s. He was given an 80 year jail sentence. Now the Constitutional Court has ordered that proceedings go back to where they stood in mid April, when a dispute broke out over who should hear the

May 21 (Bloomberg) -- Bloomberg's Matthew Campbell recaps fourth-quarter results from Vodafone Group Plc as the company saw a smaller-than-projected decline in wireless service revenue while forecasting that operating profit may rise as much 6.9 percent this year. He speaks on Bloomberg Television's "On The Move."