text:  Tonight, I think, is going to be different. For the first time, Donald Trump enters a debate for the presidency leading in just about every battleground state in two national polls. You know about the mindset going in. You know what it was like to be the hot kid coming out of Iowa. You know what it was like to try to have to score big when Trump was up early and stayed up early on those big debates. So should Donald Trump's mindset be different?