ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti, mˈɔːɹɪsən bɪkˌeɪm pˌɑːɹləmˈɛntɚɹi pɹˈaɪvət sˈɛkɹətɹi tə ðə pɹˈaɪm mˈɪnɪstɚ, mˈɑːɹɡɹət θˈætʃɚ; hiː wʌzðə lˈiːdɚɹ ʌv hɜː kæmpˈeɪn tˈiːm ɪnðə kənsˈɜːvətˌɪv lˈiːdɚʃˌɪp ᵻlˈɛkʃən ɪnðə sˈeɪm jˈɪɹ.
In 1990, Morrison became Parliamentary Private Secretary to the Prime Minister, Margaret Thatcher; he was the leader of her campaign team in the Conservative leadership election in the same year.