<p>During nearly two decades in the adrenaline-filled, egotistical and stressful world of Parliament, Mark Field had a remarkable capacity for getting into high-profile scrapes ? most famously in his close friendship with future Prime Minister Liz Truss, his role in David Cameron's Piggate scandal and his skirmish with protesters at Mansion House.<br>From his first foray into student politics at Oxford, where he got to know David Miliband, Jeremy...