High-speed trains in Japan can now reach 375 mph - twice as fast as any public transit train in the United States. America's railroads were once the envy of the world. Today they are in disrepair and we are falling further and further behind the rest of the world. We need to rebuild our crumbling infrastructure, including rail. When we do that we not only make our country more productive and efficient, we create millions of new jobs.

In terms of media, we did not get the kind of media attention that somebody like a Donald Trump got, because media is not necessarily interested in the issues facing the middle class, more interested in attacks in personality. So I think there were a lot of reasons.

If we are a free country, we have the right to be free.

Do the elected officials in Washington stand with ordinary Americans - working families, children, the elderly, the poor - or will the extraordinary power of billionaire campaign contributors and Big Money prevail? The American people, by the millions, must send Congress the answer to that question.

The debate is over. The scientific community has spoken in a virtually unanimous voice. Climate change is real. It is caused by human activity.

I think we should support entrepreneurialship.

I am very, very, very concerned about the United States getting drawn into an endless war, year after year after year.