You can only decide on choices you have, you can only plan based on your best knowledge, the rest you have to take calculated risk.
Don't we already know there are full of risks and failures in buisness world? Come on, man.
Your title is so general, the states is no better than Europe. It is a global problem, not a local problem.
UK and Germany are always quite good in economics. If Spain goes busted, the whole europe is going to be in trouble, hence the world. Western medias like to exaggerate any issues. Worrying too much, one can not do anything.