The Economist's cartoonist, KAL, discusses his 35 years with the paper

When Kevin "KAL" Kallaugher drew his first cartoon for The Economist, in March 1978, he was making ends meet by sketching tourists in London's Trafalgar Square. 35 years later, KAL has produced more than 4000 illustrations for the paper, and drawn some of its most memorable covers. Fans eagerly await his weekly cartoon, which has appeared in the opening pages of each new issue since 2001.

In this video KAL talks about how he started with The Economist and answers readers' questions