YouTube has added support for high dynamic range (HDR) content on HDR-ready TV sets running Google’s new $69 4K Chromecast Ultra streaming dongle, ten months after it first announced it intended to do so. The higher range of color contrast will also soon be available for YouTube videos on Samsung SUHD and UHD TVs – the only difference is that the SUHD brand includes a 10-bit quantum dot display, but the actual resolution is the same as any other 4K display. Nielsen has confirmed that in the month of October alone, ESPN shed 621,000 subscribers, CNN lost 617,000 pay TV subs, Fox News was down 571,000, and MSNBC declined by 530,000. The methodology for Nielsen’s October Cable Plus report came…