PM wants to tie Shabana Mahmood’s hard line on borders to recognition of the value of migration, but he may need to shout his convictionHow will UK immigration rules change under Shabana Mahmood’s latest plans?While out on the campaign trail in Makerfield, Andy Burnham gave a glimpse into where he might land on Labour’s plans for immigration reform, which had already been decried by the left of the party as unfair while.