At risk is the backgroundconsensus that supported the expansion of government to the point that public spending now accounts for roughly half of all economic activity among the 17 nations in the eurozone.
The meeting yielded consensus on calls for improved background checks and on bans on assault rifles and high-capacity magazines, according to the participant.
Mr. Baker said that at Thursday's meeting, he suggested the administration work on ways to push states to submit mental-health records into the background-check system, an emerging area of consensus in response to Newtown.