political posturing

「政治的駆け引き、政治劇」。

posturingは、「態度、姿勢」といった意味の名詞です。

BBCの記事、'Obama urges immigration reform in keynote speech'から。

'President Barack Obama has pressed for reform of US immigration policy in his first major speech on the issue.

Mr Obama has made immigration reform a priority amid pressure from border states to tackle illegal immigration and drug violence.

He said the US had thrived as a nation of immigrants but reform had been held hostage by "political posturing" '.