this has an impact on every american who has travel plans into europe. we got the story cover for you like no other network from both sides of the pond. nic robertson with more. first, though, we go to homeland security correspondent jeanne meserve live for us in washington. just explain the latest news and also what they re telling people to do about it. kiran and ali, the mistake is not telling them don t go to europe, it is urging them to take caution. u.s. citizens should take every precaution to be aware of their surroundings and adopt appropriate safety measures to protect themselves when traveling. it was issued in response, of course, to the high volume of intelligence about possible terror attacks in europe including information that al qaeda and its affiliates may be planning synchronized attacks against multiple targets like those in mumbai. although officials do not have specific information about the timing, mode, or location of possible attacks.