Verified answer

that is a good question, sadly a lot of people in general do not understand or know anything about the people who happen to fall under the transgender umbrella, and in return lump the "T" in as part of that "whole gay and lesbian thing"

As I understand it, McCain basically falls under the category of not understanding and focusing more right wing fundamentalist beliefs and issues surrounding "sub culture" issues.

curiously however, there are several countries outside of the United States which recognize and support transgender related issues.

All of this in return has left Obama a very large potential of gaining voters by supporting the entire LGBTQI community, along with other minority voters like Hispanic or Blacks.

In other words, Obama basically is supporting and attempting to draw his votes from people who have been miss or under represented by the government in the past, while McCain is utilizing and focusing on the Republican party and supporters for his votes.

That's a very finite question, you'd have to either go to a Town Hall meeting and ask him, or hope someone would ask for you.