Sovereign Debt and Effects on Markets

Sovereign debts have become a major concern around the globe, with investors and the public worrying that countries are pushing their debt levels beyond the tipping point, that could throw these economies and global economies into a spiral of negative effects.  Yet the problems are often not well understood.  Can Governments borrow indefinitely?  Are the consequences real?  Here is a video put together by the Federal Reserve Bank of St Louis which explains the basics of excessive sovereign debts and implications which could help provide some understanding of this important issue.