**Peter Walker *is a political correspondent for the Guardian * and runs its popular bike blog. As a news journalist he has reported from places ranging from Iraq to North Korea. Walker has also been named one of the fifty most influential people in British cycling. He has been a regular cyclist sin...

**Peter Walker *is a political correspondent for the Guardian * and runs its popular bike blog. As a news journalist he has reported from places ranging from Iraq to North Korea. Walker has also been named one of the fifty most influential people in British cycling. He has been a regular cyclist since working as a cycle courier in London and Sydney.