All the same, Florida looks a tough nut to crack for any Democrat.

ECONOMIST: Two big ’gators pounding away | The

On an afternoon when Fulham's well-organised defence proved a tough nut to crack, Carroll's improved mobility and goal threat were plain to see.

BBC: Chris Hughton talks up Andy Carroll's England claims

Solwhit proved a tough nut to crack at the head of affairs and looked as though he would take the glory again before Hurricane Fly's late burst.

BBC: Hurricane Fly triumphs in Punchestown Champion Hurdle

Although it is a tough nut to crack, Pakistan is poor because the military is rich and in power and until that changes it is pointless to expect better days.

ECONOMIST: Mulling Musharraf

They're hiding in a sea of people that are very xenophobic of outsiders, so it's a very, very tough nut to crack.

CNN: Commentary: Where's Osama bin Laden?