Elon Musk is retreating from Washington D.C., with his sights now set as far away as Mars.

After announcing his departure from the Trump administration this week, the South African-born tycoon is "ready to get obsessed with his companies again", said The Wall Street Journal . And just in time: when it comes to his business ventures, Musk has "a lot to contend with".

What did the commentators say?

A return to politics seems unlikely; in Trump's "rapidly evolving" second presidency, Musk's "monopoly" on the political news cycle "seems to have broken", said Politico , particularly as polling suggests that's he's "increasingly unpopular" – in fact, "far more so" than Trump.

Musk "met his political Waterloo" in Wisconsin's supreme court race, said David Smith in The Guardian , whe

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