. >> rose: we conclude this evening with the ian bremmer of to eurasia group opened list of 13 risks they see for 2013. >> the risks around iran is not we are going to blow them up, the risk is there is a shadow war going on, here remember the date with romney and obama, romney said that because of obama, the iranians are four years closer to nuclear weapons that is hogwash. >> think of what we have done to the iranian regime, to slow them down, not just the sanctions but the shadow war and cyber attacks, clea clearly we are slg them and that matters and also has the potential for the iron jabs to do something back. >> rose: the lance armstrong story with coyle, macur and david epstein and sally jenkins. >> plus ian bremmer on the international risks for 2013 when we continue. >> funding for charlie rose was provided by the following. mye-e captioning sponsored by rose communications from our studios in new york city, this is charlie rose. >> rose: lance armstrong by any measure was widely known as the king of cycling but the career of this seven-time tour de france winner has been m

ian bremmer along with us. thank you. >> susie: a big management change at sears: c.e.o. lou d'ambrosio is stepping down in february after less than two years on the job. replacing him: the company's chairman, hedge fund manager eddie lampert. as ruben ramirez reports, lampert's priorities may take sears in a different direction. >> reporter: the revolving door in the c-suite at sears coe tinues. sears chairman eddie lampert will be the new c.e.o. of the company his hedge fund took over in 2005. appel associates president michael appel says whoever ends up running the company will need to have retail in their blood. >> at the end of the day, retail businesses are in the business of selling merchandise, and the merchandise thrust and vision for those businesses usually comes from that merchant c.e.o. >> reporter: appel says that's not lampert's strong suit. sears' sales have declined for five consecutive years as it has struggled against competitors like home depot, target and wal- mart. the downturn in the housing market hasn't helped. about 40% of sears' sales come from

we talk global market risks, with the eurasia group's ian bremmer. while washington lawmakers finally reached a deal on the tax part of the fiscal cliff, tonight's commentator says something is missing from the solution: clarity. here's simon constable, columnist at the wall street journal. >> if the shenanigans in congress at year end have taught us anything it's that washington just cant help but do stupid things. while the tax situation for many americans may now have been solved, the problem of spending cuts hasn't. that's bad in itself, not getting an important job done, but it's also actually harmful to the u.s. economy. not solving it has increased what economists call policy uncertainty. broadly speaking that's ambiguity around what the government is going to do with laws etc. when uncertainty is high, businesses, the real drivers of job growth in the economy, tend to invest in fewer factories and hire fewer people. despite congress managing to avoid the fiscal cliff, uncertainty in the u.s. is still elevated. how do we know? the smart people

. >>> we are back with anne-marie slaughter, richard haass and ian bremmer.t is the big trend in europe? is it a break down or will they come together? >> europe is coming together. the biggest event of 2012 people didn't pay enough attention to is the fact that greeks pulled it together in the face of austerity like no one has ever seen and actually voted for the party that wanted to stay in the euro zone that wanted the bailout. that was an incredible show of will. halting and clumsy and awkward as the eu politics are, they're on the way to banking regulation in the euro zone. it's not going to be pretty and it's going to take a couple years still, but we are on our way to a stronger and more unified eu with or without britain over time. >> what do you think? >> too positive to me. europe is probably not coming apart. different said statement than europe is coming together. the reason it probably won't come together is not greece, it's france. sooner or later, that is the real test. the president of france is taking france in directions that are truly unsus

. >>> we are back with anne-marie slaughter, richard haass and ian bremmer. defining the world.ope, what do you think is the big trend in europe? is it going to be a breakdown or are they finally going to come together? >> europe is coming together. i think the biggest event of 2012 people didn't pay enough attention to is the fact that greeks pulled it together in the face of austerity like no one has ever seen and actually voted for the party that wanted to stay in the euro zone that wanted the bailout. that was an incredible show of political courage and will. it meant that greece stays in the eurozone and that, in fact, as halting and clumsy and awkward as the eu politics are, they're on their way to unified banking regulation in the eurozone. their crisis fund has stabilized. it's not going to be pretty and it's going to take a couple of years still, but we are on our way to a stronger and more unified eu, with or without britain over time. >> what do you think? >> a little bit too positive to me. i would say europe is probably not coming apart. different said statement tha