Could an economic disaster the magnitude of the Great Depression

Instructions: 

Read the following Discussion question carefully, then submit an original answer.  Your answer should be at least a few sentences to a paragraph in length.  There is no "right" or "wrong" answer, but your opinion should be well-reasoned and based on fact.  (no references needed) this is just an opinion...

Could an economic disaster the magnitude of the Great Depression happen again?  Or have sufficient safeguards and government policies been put in place to prevent it?  If not, what further measures should be taken?