Donald Trump in need of money. Why an expert thinks he's a bad businessman

Monday is payday for Donald Trump: a $450 million fine is due. Can he raise the sum at the last minute? And: How rich is he really? Dan Alexander from the business magazine “Forbes” knows the answers.

Mister Alexander, there is hardly anyone who knows Donald Trump's finances as well as you. Today he has to pay huge fines and is even threatened with the confiscation of real estate if he doesn't do so. His lawyers claimed last week that he didn't have the money. Is he having financial difficulties?