http://www.guardian.co.uk/uk_news/story/0,3604,1560220,00.html
David Adam
"The UK has the most generous visa arrangements of any western developed country, a situation that could aid illegal immigration, the conference heard. Britain demands visas for visitors from 104 countries, compared with 132 for most other European countries,158 for the US and 161 for Australia.
Eric Neumayer from the London School of Economics said visas were the first line of defence against people entering a country illegally."
