wˌaɪl ɪnðə juːnˈaɪɾᵻd stˈeɪts, kˈɜːtʃhɔf hˌuː ˈɔfən jˈuːzd ðə sˈuːdoʊnˌɪm ˈaɪfəl dʒˈɔɪnd ðə pəlˈɪɾɪkəl bjˈʊɹɹoʊ ʌvðə ɹˌɛvəlˈuːʃənˌɛɹi wˈɜːkɚz lˈiːɡ ðæt hæd ɹᵻdʒˈɛktᵻd ðə fɹˈɛntʃ tˈɜːn ænd splˈɪt fɹʌm əfˈɪʃəl tɹˈɑːtskiˌɪzəm.
While in the United States, Kirchhoff (who often used the pseudonym Eiffel) joined the Political Bureau of the Revolutionary Workers League that had rejected the French Turn and split from official Trotskyism.