How can we limit southern european yet we can't limit eastern european immigration?

last week frank field, the government poverty adviser said immigration from eastern europe should be capped to holt poverty in Britain, government said no, yet this week admit they are drawing up plans to cap immigration from southern european states in the event of an influx due to the euro crisis.. what gives... show more last week frank field, the government poverty adviser said immigration from eastern europe should be capped to holt poverty in Britain, government said no, yet this week admit they are drawing up plans to cap immigration from southern european states in the event of an influx due to the euro crisis..
what gives it doesn't add up?

"The Government is drawing up plans for emergency immigration controls to curb an influx of Greeks and other European Union residents if the euro collapses, the Home Secretary discloses today."

http://www.telegraph.co.uk/news/uknews/immigration/9291493/Theresa-May-well-stop-migrants-if-euro-collapses.html
Update: no no eu law allows for caps for internal migration. eu law doesn't need changing at all.
Update 2: dm style lie? it's a direct story from comments the home secretary made.
Update 3: ha ha.. yeah dot..
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