Whoever wins May 7 election must answer this question , asking Simon questions : What is , or cannot be , women 's suffrage in the uk ? Tisdall : Maintaining U.S. relationship is most important foreign policy challenge facing Britain 's PM after May 7 . But foreign policy and key 21st century issues , such as climate change , have barely been mentioned , he writes .
Whoever wins May 7 election must answer this question , says Simon Tisdall : What is , or should be , Britain 's role in the world ? Tisdall : Maintaining U.S. relationship is most important foreign policy challenge facing Britain 's PM after May 7 . But foreign policy and key 21st century issues , such as climate change , have barely been mentioned , he writes .