Employing the missus at Westminster would be a lot less attractive with these simple rules, says Matthew Norman http://telegraph.feedsportal.com/c/32726/f/579309/s/3133a8d3/sc/7/l/0L0Stelegraph0O0Cnews0Cpolitics0C10A30A74580CHow0EMPs0Ecould0Eavoid0Ethe0Etrouble0Eand0Estrife0Bhtml/story01.htm