If all the Blair government's paranoid talk about the Tube being a
potential terrorist target, and all the other probable nonsense about
'dirty-bombs' etc is getting you down, you could do worse than get yourself
one of these handy devices seen on Ebay:

http://cgi.ebay.co.uk/ws/eBayISAPI.d...e=STRK:MESE:IT



Ideal, I guess, for peace of mind on public transport or even at work,
especially if you are in the City or some other possibly vulnerable location