The actual title is 'FactCheck: what about the Britons who fight for Israel?' by Channel Four's fact checkers:http://blogs.channel4.com/factcheck/...t-israel/18448

This is an argument that appears regularly now when 'foreign fighters' are discussed, so this short article does help with some "light":
The Israeli military runs a programme called “mahal” which allows non-Israeli nationals of Jewish descent to join the ranks of the armed forces for an 18-month tour of duty.....The numbers of volunteers from the UK are small but significant: the IDF told Channel 4 News there are “around one hundred Brits currently serving” in its ranks....apparently with no legal difficulties...