Transcript for Ben Carson's Surprise Trip to Jordan
Turning now to 2016 and Ben Carson heading overseas to Jordan, meeting face to face with Syrian refugees after coming under fire for his lack of foreign policy experience. Ben Carson joins us shortly. First, the latest from ABC's Tom llamas. We're just getting a good impression of what's going on. Reporter: Ben Carson's campaign releasing these images from his surprise trip to Jordan. This clinic seems to be very nice. Reporter: Carson visiting refugee camps where Syrians have fled civil war. But bringing refugees to the United States does nothing to solve this crisis. Jordan already houses 1.4 million refugees. Jordan needs and deserves our help. The overseas trip comes as Carson has taken new heat about his foreign policy comments. Like wrongly inserting that China was involved in the Syrian civil war. And comparing the screening of refugees to protecting children from rabid dogs. You know, if there's a rabid dog running around your neighborhood you probably are not going to assume something good about that dog. Reporter: And national security issues critical to 2016 candidates. Our latest poll of republicans shows terrorism now topping the economy as the most important issue for voters. For Carson, only 6% of republicans in the crucial state of Iowa believe he's best to handle foreign policy. Ted Cruz takes the lead at 24%. He's come out against sending U.S. Ground troops to Syria. You asked about boots on the ground, the kurds are our boots on the ground. Reporter: Meanwhile, Donald Trump wants more airpower in the fight against Isis. I would bomb the Out of Isis. Reporter: Trump is open to the idea of sending ground troops. Others have been more definitive in their support. For "This week," Tom llamas, ABC news, New York.
This transcript has been automatically generated and may not be 100% accurate.