Finance'Inexplicable': Capricorn Energy investor calls on board to exit Tullow Oil mergerLondon-based hedge fund says deal is "too one sided" in favour of TullowUnder pressure: Capricorn Energy chief executive Simon Thomson pictured in 2015 when the company was known as Cairn EnergyPhoto: IAN RUTHERFORD/CAIRN ENERGYIain EsauLondon