As His Holiness Pope Francis has said, diplomacy is the work of "small steps." And these small steps have added up to new hope for the future in Cuba. And after years in prison, we are overjoyed that Alan Gross is back where he belongs. Welcome home, Alan. We're glad you're here. Our diplomacy is at work with respect to Iran, where, for the first time in a decade, we've halted the progress of its nuclear program and reduced its stockpile of nuclear material. Between now and this spring, we have a chance to negotiate a comprehensive agreement that prevents a nuclear-armed Iran, secures America and our allies, including Israel, while avoiding yet another Middle East conflict. There are no guarantees that negotiations will succeed, and I keep all options on the table to prevent a nuclear Iran. But new sanctions passed by this Congress, at this moment in time, will all but guarantee that diplomacy fails: alienating America from its allies, making it harder to maintain sanctions, and ensuring that Iran starts up its nuclear program again. It doesn't make sense. And that's why I will veto any new sanctions bill that threatens to undo this progress. The American people expect us only to go to war as a last resort, and I intend to stay true to that wisdom. Third, we're looking beyond the issues that have consumed us in the past to shape the coming century. No foreign nation, no hacker, should be able to shut down our networks, steal our trade secrets, or invade the privacy of American families, especially our kids. So we're making sure our Government integrates intelligence to combat cyber threats, just as we have done to combat terrorism. And tonight I urge this Congress to finally pass the legislation we need to better meet the evolving threat of cyber attacks, combat identity theft, and protect our children's information. That should be a bipartisan effort. If we don't act, we'll leave our Nation and our economy vulnerable. If we do, we can continue to protect the technologies that have unleashed untold opportunities for people around the globe. In West Africa, our troops, our scientists, our doctors, our nurses, our health care workers are rolling back Ebola, saving countless lives and stopping the spread of disease. I could not be prouder of them, and I thank this Congress for your bipartisan support of their efforts. But the job is not yet done, and the world needs to use this lesson to build a more effective global effort to prevent the spread of future pandemics, invest in smart development, and eradicate extreme poverty. In the Asia-Pacific, we are modernizing alliances while making sure that other nations play by the rules: in how they trade, how they resolve maritime disputes, how they participate in meeting common international challenges like nonproliferation and disaster relief. And no challenge--no challenge--poses a greater threat to future generations than climate change.