The journalist who exposed Enron’s corrupt business practices has raised questions over the relaxed lending conditions in the markets and has asked whether the world of finance has once again gone insane with the return of covenant-lite debt.

Bethany McLean, contributing editor at Vanity Fair and co-author of the book 'All The Devils Are Here,' wrote about the relaxed lending environment in an article for website Slate this week, and highlighted the return of cov-lite bonds.