. >> now ricoh has details of some encouraging news because a vaccine against one of the biggest killers malaria is moved a step closer. >> that's right. reports from a major clinical trial in africa show the chances of getting malaria can be cut by almost 50%. this is raising hopes. there may soon be a more robust defense for the billions are are at risk along the world. our medical correspondent has more. >> that is common sight in many african hospitals, row upon row of children laid low by malaria. the parasitic infection is spread by mosquitoes. an effective vaccine would transform the lives of millions. 9 month old tamera is receiving the vaccine. malaria is a global threat. about three billion people in the areas colored red are at risk of infection. but most of the million deaths a year are in africa. nearly 6,000 children under 2 were involved in the trial. the vaccine cut malaria cases by about half. but its effectiveness might have waned after one year. >> over the next couple of years we'll get a very clear view on what's really happening with protection. is it waning or is i

we had a ricoh felony going on in city hall. racketeering, and flows organization, and somebody has to step forward and talk about organized crime. we need to put an end to it, but we will never prosper in san francisco. we have a long way to go. i am running for mayor because of my discussed at the criminal nature of the system going on in city hall. that said, there's four things that need to change. it would be our banks. we need to be able to compete fairly and squarely in the area of finance and financial services. the capturing of the profits from financial-services in sentences go alone would generate $300 million or $500 million to the city without taxing anybody. we are currently losing this to the banks on wall street. there's no reason to have a system where we do not profit and do not benefit from our commercial activity in san francisco. first, the community bank. if we practice for the presence, we will be able to produce billions of dollars we can use for our own infrastructure projects. this is where we start. ea