In this segment from MarketFoolery, host Mac Greer is joined by analyst Aaron Bush to dig into the latest news in the media consolidation wars: a new offer from Twenty-First Century Fox (NASDAQ: FOXA) (NASDAQ: FOX) to buy the 61% of Sky PLC that it doesn't already own.As Europe's No. 1 media company and pay-TV broadcaster, Sky's quite a prize as the various giants of content and distribution look to shore up their relevance in the Netflix (NASDAQ: NFLX) era, when true success apparently requires a vertically integrated empire with scale.