gavin hewitt has more. >> belgium, shut down today by a general strike. factories closed, networks item. the reason, austerity and pension reform ordered by the eu. >> everyone will take to the streets, and that is when it will really hurt. >> their message of the strikers for the leaders arriving for a summit, what we need is growth. >> we need to get really serious about the growth agenda. that means completing the single market and signed in trade deals with the fastest-growing parts of the world, and it means a serious effort of deregulation so they can create the jobs that we need. >> the fact is, europe is hurting as countries cut their deficits. the unemployment lines, like here in spain, are lengthening. the tension is evident in italy, with truck drivers blocking highways and protests at austerity plans and reforms. europe is reducing spending, even as countries, like with france today, cut their forecasts for growth. but it is unemployment that is forcing europe's leaders to push growth on the agenda. in spain, up to 50% of the young are without