By Lawrence White and Iain Withers LONDON (Reuters) – British lawmakers called on banks to cut high mortgage prices on Wednesday, after a recent bout of political turmoil wreaked havoc on the market for home loans, sending prices rocketing and seeing hundreds of products withdrawn. Market chaos unleashed by former Prime Minister Liz Truss’s unfulfilled tax-cutting plans in late September led lenders to withdraw around 1,700 mortgage products in the space of a week, before reintroducing them at rates 1-2 percentage points higher. While markets have since stabilised, banks have been slow to lowe…