Industrial ecology, for example, challenges the over-exploitative nature of the current "take make waste" industrial paradigm.
The government has, for example, challenged them to raise the billion dollars for the institutes that educated them at India's expense before they went to the United States, where they enriched the American economy.
A selection of works from India, for example, challenges the orthodoxies of what is considered contemporary while reminding the viewer much of the most visually inventive contemporary painting has its roots in traditions hundreds, if not thousands, of years old.
The Syrian and Iraqi Baʿthist regimes, for example, challenged the PLO with their own "Palestinian" organizations (al-Ṣāʿiqah and the Arab Liberation Front, respectively); each maintained deputies within the PLO itself and were funded by and entirely dependent upon their sponsor governments.
The government could try to block the intended lawsuit by, for example, challenging the standing of Mr. Awlaki's father to sue, or by asserting that the dispute cannot be litigated because the targeted-killings policy is a matter of state secrets.
