 The Guardian | Self-deportation working Boston Herald Mitt Romney has been ridiculed for saying that illegal immigrants should “self-deport.” But that seems to be exactly what many of them have been doing. The US government has been sending back more illegals lately, but most of the flow to Mexico has ... Are illegal immigrants taking Mitt Romney's advice? Mexican 'illegals' leaving US in droves, study finds Mexico-US migration slips after 40 years of growth |