"These situations always bring to the fore one or two players that might enjoy the experience, pick up the challenge and come through, " he said.

BBC: Worthington seeking out new stars

"The challenge now is to pick up the new role, which has not been defined adequately as yet, and to make sure I add value to the work of the police and the work of crime reduction, " he told BBC Wales.

BBC: Alun Michael

The Fed chief expressed empathy with the challenges of cutting government deficits while trying to promote growth, acknowledging the complex challenge facing policymakers, but renewed his push for Congress to pick up the ball and run with it after the Fed has spent three years trying to grease the wheels of recovery.

FORBES: Bernanke Warns Congress: More Sluggish Job Growth Ahead

Cezanne's death created a vacuum and challenge: Who would or could pick up the great man's gauntlet?

BBC: Too famous to see?

Rangers are at a stage now where they know they have enough to challenge Celtic for the title and they might pick up the odd player along the way, but they will work with what they have.

BBC: Rangers: season preview