Barium
He found Hillary's emails
In the "Kelp Wanted" section of the want-ads.
Through the Windu.
They always forget the "11" in "9-1-1".
Because, if you can't 'helium' or 'curium', you 'BARIUM'!
The chemist may frown.
Because if you can't Curium or Helium them, you Barium!
Because if you can't Helium or Curium, You'd Barium!
A petticoat!