Some portfolios like to travel all over the world. Other portfolios prefer to stay closer to home. International investing is getting pretty popular these days. With the flexibility and availability of American Depositary Receipts and international mutual funds, going global can be as transparent a transaction as any domestic transaction.

That's why our latest premium research product is titled Around the World in 80 Minutes. It explores 14 investing ideas that can take you all over the globe without you leaving your cozy, Internet-enabled armchair.

The problem is that not all Fools see eye to eye when it comes to investing abroad. Some feel that buying a multinational company like General Electric (NYSE:GE) or Coca-Cola (NYSE:KO) will give them the right amount of overseas exposure without buying an actual foreign company like Sony (NYSE:SNE) or Ericsson (NASDAQ:ERICY).

That brings us to this week's throwdown. When it comes to international investing, not all Fools agree. Tim Beyers argues in favor of international investing, while I argue that the grass is always greener on your own side.

Do international stocks belong in your portfolio? That's what this week's Duel is all about.

Duel on!