BostonGlobe.com Political Headlines - January 9, 2013

• Media giants big donors to Rep. Ed Markey: From 1987 to 2008, Rep. Markey's perch atop the powerful House Subcommittee on Telecommunications helped him build what is now a $3.1 million war chest. Globe political reporters Michael Levenson and Noah Bierman cover.

• 'Pledge' didn't make Warren-Brown race less nasty: When candidates try to muzzle citizens with strong views about politics, things usually go wrong. The Massachusetts Senate race was no exception. Globe columnist Jeff Jacoby writes.

• Mayor Menino at a crossroads: The work of recovering from his recent illnesses continues, and so do the questions about the future for the indomitable mayor of Boston. Globe columnist Adrian Walker details.