You cannot be afraid to present yourself. And sometimes that takes practice. If you're not comfortable with public speaking - and nobody starts out comfortable, you have to learn how to be comfortable - practice. I cannot overstate the importance of practicing. Get some close friends or family members to help evaluate you, or somebody at work that you trust.

My brand of leadership, which is very focused on bringing people together, solving problems - it's what I have always tried to do - just had a hard time being as powerfully compelling in the campaign as I think it has been in previous years for other candidates.

For all the injustices in our past and our present, we have to believe that in the free exchange of ideas, justice will prevail over injustice, tolerance over intolerance and progress over reaction.

I care deeply about Democratic party and our agenda and making sure that we can continue to build on President [Barack] Obama`s legacy. So any suggestion that I am doing anything other than manage this primary impartially and neutrally is ludicrous.

Every political contest is hard, that's part of the DNA in America. We make it really tough to run for and hold the highest and hardest job in our country.

I did not email any classified material to anyone. There is no classified material.

I believe in affordable college, but I don't believe in free college, because every expert that I have talked to says, look, how will you ever control the costs.