(CBS NEWS) President Obama is back at the White House after a week in the Middle East and Europe. During his trip, "CBS This Morning" co-host Charlie Rose spoke with the president in Germany for a wide-ranging interview. Mr. Obama had just announced 250 additional American troops will go to Syria to help in the fight against ISIS.
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But the president also faces other big challenges in Asia, including North Korea's claims of successful ballistic missile tests and China's military installations on man-made islands in disputed waters of the South China Sea.
"How aggressive do you see the action in the South China Sea? And do you worry that they will cross some line, in which you'll have to respond more aggressively?" Rose asked the president.
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