"Choose your friends by their character and your socks by their color. Choosing your socks by their character makes no sense, and choosing your friends by their color is unthinkable." http://RoseByAny.BlogSpot.Com
The difference between a flat cap and a newsboy cap is in the blocking. A newsboy cap is left like a beret with a brim. A flat cap has the beret pulled forward until it is straight in the back and it covers the brim.
I'm sorry, I should have mentioned that I have a pattern for this type of hat for sale on Ebay right now. I'm a better knitter than a salesperson..LOL.