This week, we revisit America in tumult: from the immediate global panic of the Lehman Brothers collapse to the wounded resolve of America following the September 11 attacks. The British domestic front also proves turbulent as the country navigates the Black Wednesday currency crash, a far-right electoral victory in Tower Hamlets, and a startling KGB revelation that officially turned a notorious spy ring into the Cambridge Five. Explore all this and more in this week’s front pages.