Trump can win without Pennsylvania if he takes Ohio and Florida. Concentrating in those two states would probably pay better dividends than Pennsylvania.
I agree. PA is always a waste of time for Republican presidential candidates. Yet they always seem to spend precious resources there.
I remember Bush courting PA (and NJ) in the final days of the 2000 election and thinking what a waste it was. And he never even came close in PA or NJ. If only he had spent that time in FL...