Phil Hearse writes: As a general election approaches, especially one which might lead to a Johnson or Johnson-Farage government, (and, less likely, a Corbyn government) the record of the last Labour government is bound to come up. As memories fade, rose-tinted spectacles can be deliberately deployed to airbrush past realities. At the end of June, Tony Blair took to twitter to attack Jeremy Corbyn’s speech which proposed Labour’s objective should be equality and not ‘social mobility’. Blair took issue with Corbyn’s claim that for decades governments had resisted the objective of equality. Speaking at the Nation Education Union conference, Corbyn…