He has been having a tough time choosing between the two remaining candidates.

NPR: Backroom Primary: Profile of a Calif. Superdelegate

Many might have expected a tough physical battle between two teams who have been somewhat dogged by negative headlines for a few instances of poor tackling this season.

BBC: Wolves 2-1 Man City

The Cranes Scottish coach Bob Williamson was happy with the result pointing out that matches between the two countries are always tough.

BBC: Uganda and Zanzibar triumph

Look, there are a series of very tough issues that have to be addressed between the two sides as we move forward.

WHITEHOUSE: Press Briefing

The outcome of the election, which comes amid a deep recession and tough austerity measures, was so close between the two main blocs that the margin of victory given in interior ministry figures was less than 1% in both houses of parliament.

BBC: Italy election: Nation in dramatic situation - Bersani

But between the two groups there is a theological overlap that translates into a tough brand of politics.

ECONOMIST: Israel

The world champion is having a tough time staying ahead of Spain's Carlos Sainz with the gap between the two of just 0.2 of a second.

BBC: News | Sport | McRae tumbles out in Sweden

After a season's sabbatical Bayern won the race for his signature, but the 42-year-old might have a tough task on his hands if Bayern go on to pin down another two trophies between now and the season's end.

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"It's tough to compare between a starter and him because he's only coming in for one, two innings at the most, " Stewart said.

WSJ: Yankee Legend Sees the End