BostonGlobe.com Political Headlines - September 18, 2012

Here are the top POLITICAL headlines from BostonGlobe.com today:

• Romney says dependent 47% back Obama: Mitt Romney, during a private May fund-raiser captured on video, talked disparagingly about nearly half the electorate, saying they were "dependent on government." Globe politics reporter Matt Viser details.

• Warren ahead of Brown in another Senate poll: A third new poll has found Elizabeth Warren pulling ahead of Senator Scott Brown, giving the Democratic challenger momentum before their first debate on Thursday. Globe politics editor Glen Johnson reports.

• Deeply riven Congress to recess again, just for politics: After returning from a five-week break, and with the November elections just weeks away, members of Congress are busy passing blame instead of bills. Globe politics reporter Bobby Caina Calvan writes.

• President Obama, Mitt Romney trade jabs on China: While the presidential candidates vied to project strength in relations with the Asian power, the Obama administration filed a complaint against China with the WTO. Globe correspondent Callum Borchers and politics reporter Matt Viser cover.