But we admit, the challenge to change the system is very big".
The boss of London Live has said the station will still be local, despite planned cuts to its primetime local content, but admitted the challenge for the fledgling station had been tougher than anticipated.
British Cycling's technical director admitted the challenge "would not be easy".
Greer admitted the challenge of marking Bayern Munich and Poland striker Robert Lewandowski was a big test.
But Redknapp remains defiant, while admitting the challenge of claiming a place among Europe's elite will only become greater and accepts Spurs must sign new players if they are to remain in contention.
Asked if he dared to dream about the title, Henry admitted the challenge in restoring Liverpool's former glories was similar to the one facing them when they took over the Boston Red Sox baseball team in 2002 - and ended their 86-year wait for the World Series two years later.
Another peculiarity of Nazarbayev is positive thinking inherent in his speeches: in this spirit, admitting the challenges in which Kazakhstan finds itself due to its geographical situation, he still tends to present them as an opportunity rather than a limit to the country's development (Ambrosio and Lange, 2014: p. 546).
Lewis admits the core challenge will be gaining consumer mind share and convincing them AirPooler is safe and simple, which it might not be.
Mancini takes his abundance of riches to Tottenham Hotspur on Sundaytomorrow, although will be without the injured Nigel de Jong, and despite a tough Champions League group draw, the usually reticent City manager admits the club can challenge for the game's biggest prizes this term.
How much time does our chief executive have to focus on the strategic needs of a little, isolated borough?" Even Joanna Killian, chief executive at Essex and Brentwood, admits the partnership proved challenging.
