Margaret Thatcher tendency to override collegiate opinion, contributed to discontent within her party. Thatcher removed Geoffrey Howe as Foreign Secretary in July 1989 after he and Lawson had forced her to agree to a plan for Britain to join the European Exchange Rate Mechanism (ERM). Britain joined the ERM in October 1990. On 1 November 1990, Howe, by then the last remaining member of Thatcher's original 1979 cabinet, resigned from his position as Deputy Prime Minister, ostensibly over her open hostility to moves towards European Monetary Union. In his resignation speech on 13 November, Howe commented on Thatcher's openly dismissive attitude to
Margaret Thatcher Thatcher's policies. The 1981 England riots resulted in the British media discussing the need for a policy U-turn. At the 1980 Conservative Party conference, Thatcher addressed the issue directly, with a speech written by the playwright Ronald Millar that included the lines: "You turn if you want to. The lady's not for turning." Thatcher's job approval rating fell to 23% by December 1980, lower than recorded for any previous Prime Minister. As the recession of the early 1980s deepened, she increased taxes, despite concerns expressed in a March 1981 statement signed by 364 leading economists, which argued there was "no