Democrats advanced a substitute bill that would have attempted to alter the language of Graham's base legislation by creating a new legal status for harm against a pregnant woman, rather than applying two standards to one violent crime.

CNN: House passes bill criminalizing harm to fetus

By 2020, knowledge, the science base and technologies relating to biodiversity, its values, functioning, status and trends, and the consequences of its loss, are improved, widely shared and transferred, and applied.

UNESCO: United Nations Biodiversity Conference mobilises resources for biodiversity protection | United Nations Educational, Scientific and Cultural Organization

Ultimately, I think this contrast is likely to play into the hands of Perry in the Republican primaries, because right now the base wants somebody who is willing to shake things up and challenge the status quo.

FORBES: Why Rick Perry Won the GOP Debate at the Reagan Library

The US and Niger signed a status of forces agreement last month, and the US is weighing a base for surveillance drones there, US media have reported.

BBC: Mali conflict: US deploys 100 troops to neighbour Niger

In 2007, McCain infuriated the party's conservative base by co-sponsoring an immigration bill that would have provided a path to legal status for undocumented workers.

CNN: A 'very personal victory' for McCain in New Hampshire