BostonGlobe.com Political Headlines - February 19, 2013

• Rep. John Tierney finds D.C. a refuge after race: The Salem Democrat survived the most brutal campaign of his 16-year congressional career in one of the country's highest-profile House races. Globe politics reporter Tracy Jan elaborates.

• Scott Brown 'thinking about' run for governor: The former senator, appearing in a candid interview on Fox 25, said he is "thinking about" a run for governor next year. The Globe's local politics staff reports.

• State Rep. Linsky mulling run for Middlesex DA: Last month, the current DA, Gerard T. Leone Jr., announced that he would not seek a third term. The election to replace him is scheduled for November 2014. Globe metro reporter Travis Andersen profiles.