 He progressed to the positions of City editor of "The Sunday Telegraph" in 1961 – where he introduced his friend Jim Slater's "Capitalist" investing column – and then editor of "The Spectator" (1966–1970).Lawson stood unsuccessfully at the 1970 General Election for the Eton and Slough seat before becoming Member of Parliament for Blaby in Leicestershire in February 1974, which he held until retiring at the 1992 General Election.While in Opposition, Lawson co-ordinated tactics with rebellious Government backbenchers Jeff Rooker and Audrey Wise to secure legislation providing for the automatic indexation of tax thresholds to prevent the tax burden being increased by inflation (typically in excess of 10% per annum during that Parliament).