But the billionaire American investor is now trying again, making a second investment in the company that dealt him his biggest business setback.

FORBES: Billionaire Blavatnik Makes Second Bet On Chemicals

In the real world of business, setback and failure require reflection and recalibration, processes that are hindered by the exaggerated behavior of a leader.

FORBES: Jim Harbaugh's Super Bowl Histrionics Hurt All Leaders

Since its creation in 1992, the PTC has expired on three occasions, each a big setback for the wind business.

FORBES: Magazine Article