"This year, Pennsylvania's going to matter," Erie Mayor Joe Sinnott said shortly after he took the podium. "Not only is Pennsylvania going to matter, but Erie is going to matter and you are going to matter."

Sinnott said he is supporting Hillary Clinton because she is looking out for things that matter to people in Erie, including health care and small business and economic development.

How does he know she'll look out for Erie, he asked himself.

"The Clintons have done it before," he said.

He then called Bill Clinton, standing to his left, one of the greatest presidents of this generation.

He then introduced Bill Clinton.