McDonnell, the MP for Hayes and Harlington, denied that a leadership election would be divisive and destabilising at a time when Labour is at its lowest point in the polls for a generation.
Ostler, who edited the Standard's ES magazine for more than six years and is married to Condé Nast's general manager, is too shrewd to say so, but she clearly views the change of ownership as destabilising at it was unexpected.
Fragmentation, while it can destabilise coalitions at the extremes, can stabilise them at the centre.
"The objective is to destabilise security at the crossing.
"He seemed to be at best destabilising and at worst undermining our carefully cultivated team environment," he said.
"It is not surprising that patient services are under pressure, given that the NHS is being asked to find efficiency savings of £20bn at the same time as implementing potentially destabilising reforms at break-neck speed," said a spokesman.
Releasing and/or destabilising mRNAs at precise moments during synaptic activity can finely tune protein expression at synapses.
He said he described a "bloodless coup" at one school and "an alliance to destabilise the head" at another.
Introducing the previous Coalition Government's welfare reforms in Northern Ireland, after a two-year delay, was a key plank of December's Stormont House Agreement - a deal that had been heralded as resolving a range of destabilising disputes at the heart of power-sharing.
Perhaps most significantly though, as a writer, I sensed a destabilising tension at the heart of the endeavour, between the dramatic need to take an audience into the unflinching core of the story and the potential, in so doing, for emotional exploitation at the cost of those who had lived and lost through the disaster.
