The correspondence, running for months, shows the determination of Cable to distance himself, and the Liberal Democrats, from a target that he regards as wrong, badly constructed and unachievable.
If your goals are unachievable, Nettle believes, you should have the honesty to admit defeat and change them.
The head of the NHS in England has warned that its financial problems could hamper the government's plans to introduce a seven-day health service, as a former health minister said they were unachievable without a significant funding boost.
What Shapps says reflects a depressing mood pervading the country: the realisation that for millions of young people, caught between sky-high house prices and tough mortgage restrictions, an enduring aspiration to own a home is increasingly unachievable.
Declining revenues amid recession are likely to make the goal unachievable without painful, pro-cyclical spending cuts.
I often return to higher inflation as a strategy because something like Mr Summers' five-year programme of deficit-financed public investment looks politically unachievable to me.
The targets set for the first period, 2008-12, gave a 13-year lead time at the time of signing; it would be foolish to quantify later targets before gaining more experience with the first.The commitments are not rigid and unachievable because of the extensive flexibility embodied precisely to accommodate American demands the core point of the argument that you attribute to me.
To represent the pain of their unachievable desire, Wagner had to dispense with conventional harmony.
Convincing potential investors to commit to projects denominated in a reintroduced currency is an almost unachievable task.The proponents of a euro-zone exit for Greece grossly underestimate its devastating consequences.
One is that the target to which Mr Clinton committed the United States a reduction in greenhouse-gas emissions by the end of this decade of 7% below a 1990 benchmark was almost literally unachievable when the deal was done, and is even more clearly so now.
WHEN Lee Kun-hee took the helm at Samsung just two weeks after the death of his father, the firm's founder, in 1987, he set himself a seemingly unachievable goal: turning a middling South Korean conglomerate into a global giant in the mould of IBM or General Electric.
