“I am concerned that he will try to put Trump into a political straitjacket that will take away many of his strengths. Trump should not modify his positions on immigration, trade, and the Islamic threat. If he does, Trump will lose. “
A valid concern. My impression is that Manafort is a smart guy who will let Trump be Trump. More someone who will offer his own knowledge of what the campaign might need from a nuts and bolts perspective rather than any attempt to change Trump’s message.
In contrast, I am heartened by what Donald Jr. and Eric have said. They appear to be the ones who won't let their father go wobbly.