In 2005, Raghuram Rajan said the financial system was at risk “of a catastrophic meltdown.” After stints at the I.M.F. and India’s central bank, he sees another potential crisis — and he offers a solution. Is it stronger governments? Freer markets? Rajan’s answer: neither.

If you think talent and hard work give top athletes all the leverage to succeed, think again. As employees in the Sports-Industrial Complex, they’ve got a tight earnings window, a high injury rate, little choice in where they work — and a very early forced retirement. (Ep. 6 of “The Hidden Side of Sports” series.)