Well, the most important thing a president will be is commander-in-chief. And that requires having an understanding of the complex issues on foreign policy. Foreign policy presents us often with hard choices, not black or white choices.

I entered politics out of a desire to serve, but I have always really wanted to achieve things in the private sector as well. As a father and a husband, that is my primary obligation, and that will always continue, whether I am in the Senate or out of the Senate.

We should be the pro-legal immigration party. A party that has a positive platform and agenda on how we can create a legal immigration system that works for immigrants and works for America.

Appeasing the Castro brothers will only cause other tyrants from Caracas to Tehran to Pyongyang to see that they can take advantage of President Obama's naiveté during his final two years in office. As a result, America will be less safe as a result of the President's change in policy.

Our status as a land of equal opportunity has made us a rich and powerful nation, but it has also transformed lives. It has given people like me the chance to grow up knowing that no dream was too big and no goal out of reach.

For here in America, those who once had no hope will give their kids the chance at a life they always wanted for themselves. Here in America, generations of unfulfilled dreams will finally come to pass.

Increasing access to federal student loans has been a bipartisan effort in Washington, one that I have supported. But it has created what many experts believe is a bubble in higher education, not unlike the housing bubble that preceded the financial crisis.