Hazleton polka musician is taken to Delaware jail. He was found guilty of a securities scheme. By TERRIE MORGAN-BESECKER tmorgan@leader.net Disgraced polka king Jan Lewan traded the glitz of the stage for the starkness of a prison cell Friday as he began serving a five-year prison sentence imposed that morning by a Delaware judge. The once beloved and trusted entertainer was led off to state prison after entering a plea to a racketeering charge Friday in Wilmington, the last of six charges leveled against him for an securities scheme that cost two Delaware families $87,000. The sentence ends the first...