What Can the Governor General Do?

Some background on the current fun and games / constitutional crisis / surrealist psychodrama on Parliament Hill:

• A Q&A on coalition governments (Toronto Star)
• Going where no Governor-General has gone before - In an unprecedented use of her reserve power, Michaëlle Jean could leave the Tory government with its hands tied behind its back (Globe and Mail)
• The Governor-General's options (Globe and Mail)
• Manoeuvring puts GG in 'untenable' position: Expert (Ottawa Citizen)
• The delicate role of the Governor General (Canadian Broadcasting Corporation)
• Ce que peut faire Michaëlle Jean (La Presse)