http://www.ibm.com/software/rational/info/innovation/?cm_mmc=agus_itesdrat-20090909-usitn220-_-n-_-jr2-_-d&S_TACT=105AGX23&S_CMP=SMVID-d

Jim Ring, a tools and methods practitioner principal for Blue Cross Blue Shield, discusses how ClearCase allows teams to be working on multiple branches, or versions of the codes; as well as make production fixes. He proceeds to talk about the Rational tools and how they help developers from requirements all the way through testing.