Chris Deerin: Our mainstream politicians must be radical to see off the threat from left and right

WHAT do voters want? Do they even know? They’re clearly mad – incandescent, in fact. But are they mad and bad, lashing out unthinkingly and indiscriminately in a fit of pique? Or are they mad and smart, supporting whichever radical vehicle is best placed to represent their grievances and provide a lasting shock to a tired and failing mainstream?http://www.heraldscotland.com/news/16066582.Chris_Deerin__Our_mainstream_politicians_must_be_radical_to_see_off_the_threat_from_left_and_right/