Aha, the title isn't, as I first thought, taken from Disney's _Mickey's Trailer_ (1938)[1] -- there, Mickey asks (@5:16) "Who's driving?", not "Who's steering?"

Aha, the title isn't, as I first thought, taken from Disney's _Mickey's Trailer_ (1938)[1] -- there, Mickey asks (@5:16) "Who's driving?", not "Who's steering?". ___ [1]: https://youtu.be/DFw-V_LelRg?t=316 https://youtu.be/DFw-V_LelRg?t=316