Has Jeremy Corbyn had a makeover? The Labour leader stepped up to the despatch box this afternoon in the natty navy blazer bought for him by his sons, classically styled with a crisp blue shirt – complete with collar stiffeners? – and the top button uncharacteristically fastened. Power-dressing Jezza finished his new smart look with a Red tie, unusually neatly done up all the way. Where is the unkempt hair? Cropped shorter to disguise those thinning greys. Where is the straggly beard? Trimmed closer to accentuate his sexy socialist jawline. The new look Jeremy looks positively Presidential…