Acquiescing to any deal involving restrictions on the rights of the roughly 800,000 Poles currently living in the UK would be considered tantamount to treason by Duda's nationalist base, seriously harming his and his party's patriotic credentials.
It is hard to see a Republican-controlled Congress pushing through such a measure, or the requisite number of small states or local legislatures acquiescing in something that radically reduces their power.
South Korea's government, meanwhile, gets the worst of all worlds: the appearance of acquiescing in the ill-treatment of fellow Koreans, and nothing to show for it.
And he bullied Mr Clinton into acquiescing to his line on the UN.These stands, which even some opponents would concede to be principled, need to be set against his influence on the conduct of domestic politics which was arguably both greater and more pernicious.
These are being held under new constitutional rules written in Belgrade and designed to provoke Montenegro by reducing its weight within the federation.While NATO governments might have preferred the Montenegrins to co-operate with the ballot, President Milo Djukanovic reckoned he could not do so without acquiescing in the constitutional coup which Belgrade had just engineered.
But he is having to perform a tricky high-wire act, placating mutinous MPs of all parties who dislike the new arrangements, while avoiding giving the impression to the public that he is acquiescing in a return to the bad old days.That could prove tricky in a political climate defined by anger, mistrust and contempt among voters.
Less remarked was that the hackers had offered the media giant the chance to avoid the leak by acquiescing to its demands, which have not been made public.Such cyber-hold-ups are on the rise globally and go far beyond big firms.
But instead of acquiescing in his illegal annexation of Crimea, they should reflect on what kind of a world order they want to live under.
In March Iraqi Airways resumed flying from Baghdad to London after 23 years, albeit acquiescing to the insistence of Britain's Department for Transport that it make a detour via Malmo, in Sweden, for extra security checks.For business travellers, particularly those of western appearance, safety is the priority when deciding whether or not to brave it in Baghdad.
America seems to be acquiescing in the breakup of the putative Palestinian state.
There is also no chance of the Assad regime acquiescing in its establishment.
