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We have a lot of topics to get to this week. Let's get started. Mr. Wakefield from Fort Collins, Colo., writes: What is the main factor holding the Buffalo Bills from having a successful defense? James Walker: I talked to several Bills after th...

AP Photo/David Duprey Phil Dawson capped a five field-goal outing by hitting a career-long 56-yarder with 1:39 remaining to secure the Browns' 29-27 win over the reeling Bills. Posted by ESPN.com's James Walker ORCHARD PARK, N....

Al Messerschmidt/Getty Images Brady Quinn had a 104.3 passer rating in his first NFL start, but the Bills' defense should prove a more difficult challenge than Denver's. Posted by ESPN.com's James Walker The leaky defense of th...