You're setting $dbh = null . So $dbh is not available anymore at line 29.
You're killing your database handle at the bottom of the try block. You open a connection, run a query, fetch the results, throw away the results, then close the connection.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.