What's On: Currencies, Japan and American Pessimism

Here's what's up on Friday's Squawk on the Street:

--The very latest on the disaster in Japan live from Tokyo. We're also reporting on many of the American luxury retailers that have exposure to Japan, stocks like Tiffany. Twenty percent of their revenue comes from Japan.

--We're also speaking to a radiation doctor, he used to be the top physician at the largest nuclear plant in the United States to see if there's any danger whatsoever in this country.

--Currencies are also a big story for us on Friday. We'll follow the dollar index closely. Whether you're a bull or a bear, there's a lot of volatility in this space right now, that means there are a lot of opportunities to make money.

--Some of the stocks in the Friday Trade we're talking about: Manitowoc, Sprint, LDK Solar and financial powerhouse Lazard.

CNBC is also releasing its All-America survey on the economy, and the results are very, very pessimistic. So the Street Poll asks: are you more or less pessimistic about the American economy than you were three months ago? Share your opinion, and watch the big show at 9am.