Factors such as the weather, and conditions in countries of departure, are much more key in explaining changing migration movements than talk of the 'pull' effect. But despite the many attempts to 'debunk' it, the pull theory is resilient.
It s been almost 20 weeks since Sheri Leigh first wrote about Benicia s La Migra games What have we learned, and what s next? | The Benicia Independent ~ Eyes on the Environment / Benicia news & views beniciaindependent.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from beniciaindependent.com Daily Mail and Mail on Sunday newspapers.