BostonGlobe.com Political Headlines - December 10, 2012

• Out of sight, detainees struggle to be heard: With constitutional rights lacking, even for those with no record of crime, immigrants languish, pawns in a law enforcement system that is defined by secrecy. Globe reporters Milton Valencia and Maria Sacchetti detail.

• Hopes rise for a deal on tax rates: More Republicans are imagining what an agreement that includes tax hikes on the wealthy might look like, rather than digging in against any rate increase. Globe Washington bureau chief Christopher Rowland reports.

• Qatar arms deals expose limits of US: Almost two years into the Arab Spring, the only certainty is that it was prematurely titled. Globe columnist Juliette Kayyem writes.

• Black clergy give Warren prayerful Senate send-off: Senator-elect Elizabeth Warren asked the city's black ministers and church members to pray for her as she heads to Washington, D.C. Globe reporter Jenna Russell covers.