mustique is a middleton family favorite. >> it's somewhere they can get away from the limelight and have no one spying on them. >> reporter: the allure of exclusive privacy has attracted the rich and famous for decades. princess margaret in the '70s. mick jagger in the '80s. the island is used to celebrity and fending off the paparazzi that want a peek and a picture. but even for mustique, a visit from the duke and duchess of cambridge requires special consideration. >> the fact that pictures of them together will generate huge amounts of interest globally draws with it that huge cash ticket. >> reporter: a snap of pippa middleton may get just as much attention. these were grabbed in 2006 after her big splash at the wedding the younger sister is now constantly hounded by cameras. island management has added new restrictions, even for its other guests. they won't be able to roam freely. the normally rented golf carts have to stay in the garage. if the extra security holds, the royal couple will have their first real chance at

mustique is a privately owned island in the caribbean.nce william is expected to join them later this week once he finishes his shift in north wales. >>> for the first time a clinical trial of human embryonic stem cells has shown success. it was used on patients that suffer from macular degeneration, the leading cause of blindness in the elderly. the cells helped to partially restore sight in both patients. one no longer news a magnifying glass to read and another can go shopping on her own. scientists said they were dealing with near perfect conditions, and that the results are only preliminary. >>> ahead, why occupy d.c.'s days in mcpherson square could be numbered. >>> and a street that could have doubled as an ice rink. >>> end of the occupation. well, this morning a critical hearing gets underway as local protesters are not taking it lying down. >>> good morning, welcome back to "news4 today." i'm joe krebs. >> i'm eun yang. this morning, we are keeping a close eye on the fog. if you look outside, you may be saying, what fog. here's

. >> people on mustique are unhappy with all the security.uests at both of the island's hotels have been questioned by security while walking on the beach. tourists say security officers are taking extra measures to make sure that no pictures are taken of middleton and her family. prince william is expected to join them later this week one he finishes his royal air force dutyn

. >> according to "the daily mail" newspaper, people vacationing on the island of mustique are annoyed with extra security. the duchess of cambridge and her family are vacationing on the privately owned caribbean island. guests at both of the island's hotel vs. reportedly been -- hotels have reportedly been questioned by security while walking on the beach. officers are taking extra measures to make sure there are no pictures taken of kate middleton or her family. prince william is expected to join them later this week once he finishes his tour of duty with the royal air force in north wales. everybody's got to vacation someplace. >> that's right. there you go. >> sounds like a nice place. >>> time is 5:26. coming up, another night of nastiness. the barbs mitt romney and newt gingrich exchanged in the latest splun presidential debates. >>> plus, discovering new problems with the nation's military cemeteries. >>> we have congressmen who also say that you came and lobbied them -- >> i didn't lobby them. not true. >> you have congressmen who say that you lobbied them with regards to -- >>

they left england on thursday and are staying on an island in the caribbean called mustique.re exclusive. the whole island is privately owned so there's no chance of photographers getting anywhere near. in fact william's aunt margaret, the queen's sister, once owned a villa here so the other residents are used to having royalty in their midst. this family vacation comes after a good start to the year for kate, with evidence her sense of style has boosted interest in british fashion. and what she wears is swiftly copied. at her film premier she attended on the eve of her 30th birthday. no doubt she'll also be celebrating that landmark with her family on this holiday. william will be joining kate, but she's gone on ahead while he finishes work. lester? >> we understand they will be separated for a few weeks soon because of his work, right? >> that's right. yes. they'll spend six weeks apart. and that's because in february william is going to the falkland islands, a british territory in the south atlantic, all part of his job as a search and rescue helicopter pie lot. this will