barr, thank you for the time. we apologize to our audience for the technical difficulties. thank you for joining us. >> ifill: the u.s. and five other nations are back meeting with iran over its nuclear program, and there were signs today that a preliminary deal could be within reach. the second round of talks in geneva followed promising sessions just three weeks ago. american officials have now floated possible terms: if iran suspends nuclear activity for six months and actually reverses part of its program, then crippling economic sanctions could be eased. in washington, white house press secretary jay carney confirmed that's what's on the table between iran and the five permanent members of the u.n. security council plus germany, the so-called "p-five plus one." >> we're taking advantage of a new level of seriousness that we've seen to engage in negotiations. but we are doing it in a way that makes clear that actions are what matter here, that steps that the p-5 plus one would insist upon in return for the mod