'We have a weak commander-in-chief' in Trump: 2020 candidate Moulton

George Stephanopoulos goes one-on-one with presidential candidate Rep. Seth Moulton, D-Massachusetts, on US foreign policy challenges and the 2020 campaign.
6:23 | 05/19/19

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Transcript for 'We have a weak commander-in-chief' in Trump: 2020 candidate Moulton
Joined now by another democratic candidate Seth Moulton from Massachusetts. Thank you for joining us this morning. Tulsi gabbard said the real danger now is a new cold war. Well, the fact of the matter is, there are a lot of dangers we face around the globe because we have a weak commander-in-chief in Donald Trump. And that's why in this race I'm taking him on. Not just as president but as commander-in-chief. We got to start talking about how we can make America safe and strong from our communities to our boarders to across the globe, to restoring American leadership. You do that through strength and showing how America will make the world stronger and safer together. Are you the only Democrat doing that? Well, you know, I'm the only one who's really been talking about national security and taking on trump in his job as commander-in-chief. I do that with the experience of having served on the ground in combat. Doing four tours in the Iraq war. Leading troops in the infantry. It's given me a firsthand perspective on what it takes to make America safe and strong. But also how careful we have to be in getting into wars across the globe. That's why I'm so concerned about the escalation with Iran right now. We have to acknowledge that Iran is a threat to American interests. In fact, I fought Iranians on the ground in Iraq in 2004. It was bloody. We won. And if necessary, I'll fight Iran again, but right now, war is not necessary. "Washington post" reported this week in a classified briefing you accused of Republican congresswoman Liz Cheney of exaggerating the intelligence about the threat from Iran. Does that apply to the administration as well? It does. Liz Cheney seems to think that this is a slam dunk. I disagree. I spoke with general Mattis. Former secretary of defense. When the Baghdad embassy was attacked in September decided the right course of action was not to spend a new carrier group to the gulf. Not to send 120,000 troops. We need to avoid in an incident that set off the Vietnam war that would drag us into war. But make no mistake, this is exactly what John Bolton wants to have happen. He pushed America into Iraq. Under a weak commander-in-chief in George W. Bush and he's pushing America into Iran today. And we have the same situation. With a commander-in-chief who dodged his own generation's war, you know, got a medical -- got his father to use his connections to lie about his feet, lie about his bone spurs and get out of serving his own generation's war. He doesn't really have the credibility to keep us out of this one, and that's why this situation is so dangerous. That's why the world is so dangerous is when you have a weak commander-in-chief in the president of the United States. You described Joe Biden as a political mentor of yours. Why should Democrats choose you over your mentor? Well, George, I think it's time for the generation that fought in Iraq and Afghanistan to take over for the generation that sent us there. To show how we're going to take America forward, into a new world, into a new economy, into the challenges of climate change, that our generation has to deal with and live with. I think it's time for that change in America politics. I've been fighting for it ever since I was elected. Ever since I fought the last two years to help get veterans across this country elected to help take back the house of representatives. It's time for a new generation of leadership in America politics, and I'm ready to deliver it. That's not a very subtle message there. Joe Biden's vote for the Iraq war back in 2003 defining issue, his age a defining issue? No, but ideas are. And that's why I'm calling today for the biggest call to national service since World War II. A way to take us forward, meet the challenges of this new economy and a changing world. You know, America has always risen to the challenges that face our country with a call to service. That's how we surmounted the great depression and that's how we won World War II and how we put a man on moon. I'm asking all 33 million young Americans to consider serving their country as well. Not to make it a requirement but an expectation that Americans will take a part in our future, take a part in serving our country. And if you invest in America, America will invest in you. Coupled with this call to service is a new national education guarantee. Model on the G.I. Bill. To say that if you serve your country you will get to go to college or to vocational school. We'll make that investment in you. That's the kind of forward-looking policy that I think we need to meet the challenges of a changing world. To address climate change. To bring broadband to rural communities. And to say to America we need a common mission. We need to be united going forward. You still haven't qualified for the debate stage. Does that break or make you? This is only week four of the campaign. I have a seven-month-old daughter at home. It was a hard decision to get into this race. Ultimately I decided to get in because I believe it's the best way to serve the country. But this race is a marathon not a sprint. We're on track to make that first debate. But that's right, we haven't qualified yet. That's why I'm asking people across this country to just donate a $1 to my campaign if you want to hear these issues debated. If you want to hear these issues be a part of the democratic debate and take on Donald Trump in his role as commander in chief. I think Donald Trump is actually going to be a lot harder to beat than many Americans think. But that's why I'm in this race. I'm proud to be here. I'm looking forward to earning more support. You need 65,000 of those donors to qualify. Good luck with that. Roundtable is up next.

This transcript has been automatically generated and may not be 100% accurate.

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