Santorum y Gingrich, en conversaciones

Mark Halperin:

Pennsylvanian confabs in North Virginia with conservative leaders.

Talks about the path forward, with Gingrich's future on the agenda, including a possible unity effort to stop Romney.

Santo source, responding to speculation: "He is NOT dropping out before Pennsylvania."

GOP source adds Santo and Newt have met face-to-face at least twice in the last few weeks and have also had some VERY long phone calls recently.