lon history in the entertainhint ory going back to the 1930s when national amusements was foundedy summe redstone's father as a theater operator. they acquired viaco for more than $3 billion in 1987 and a little over a decade later viacom merged with cbs. the media industry's biggest deal ever. lseven yearser national amusements a cbs split viacom into two different coanies. after a dozens tumultu years, sherry redstone is pushing to combine the two giants. moonves is objecting. what happens next? the legal battle is just beginning and if ons loses, it could result in cbs its veteran leader and board. i'm julia boorstin in los angeles. >>> nordstrom reports disappointing same store sales, and that's where we begin ar tonight'st focus. the retailer said sales growth in the most recentuarter was weaker than expected even as more customers visited its stores. nordstrom topped earnings expectations but that wasn't enough fores irs who sent the stock lower. shares sent it up to $51.97. ortedly s fargo r altered documents about its business customers. according to "the wall street journar the impro activ