afghanistan's capital of kabul today. the taliban claimed responsibility for the suicide attack in the same week the u.s. announced in principle a peace agreement with the group. an agreement that would in theory end the war. as "the new york times" reports, the afghan government is pushing back against american diplomats on the eve of a troop withdrawal deal with the taliban concerned that the proposed agreement lacks assurances that the insur gents will honor their promises once american troops leave. with us to talk about it tonight, general barry mccaffrey, retired u.s. army four-star general, heavily decorated combat veteran of vietnam and u.s. ground commander in the gulf war. general, a very basic question to start with. what kind of a peace agreement, what kind of a deal with this group, the taliban, honors the memory and sacrifice of the men and women we have sent in there