http://www.wired.com/news/privacy/0,1848,67333,00.html?tw=wn_tophead_1
"The US State department is the way contactless RFID
computer chips will be used to store personal data in passports following
widespread criticism from computer security professionals and civil
libertarians. The same technology is to be used in EU passports. The
question that remains is why use a contactless chip at all if there is a
risk that data will be read surrepticiously?"