What do all these investments have in common?

Here's a list of investments - see if you can guess what they all have in common by the time you get to the end of the list.

$1 Billion portfolio of 21,000 apartments
2.2% of Daimler Chrysler - cost $1 Billion
A building in Manhattan on Park Avenue no less
Manufacturing plants that make parts for military aircraft and tanks

Still haven't guessed yet?  Ok, here's another one:

The purchase of a seaport management firm

You guessed it.  These are all examples of Dubai investments on American soil.   Paul Blustein at the Washington Post explains why this isn't such bad news.