In an age where numerous British high streets have fallen victim to a "clone town" plague of betting shops and vacant premises, one Tudor-framed town in the West Midlands is mounting a spectacular, independent fightback. Shrewsbury, the birthplace of Charles Darwin, was crowned 'Britain's best high street' for two years running - and with an impressive tally of roughly 515 independent shops, it's easy to understand why. Cradled within a bend of the River Severn, this Shropshire treasure has