Question: What was the first OS to support the Hyper-V protocol, developed by the company that the letters MS stand for, in the network where The Rachel Maddow Show is found?

<P0-S0> MSNBC is an American news cable and satellite television network that provides news coverage and political commentary from NBC News on current events. <P0-S1> MSNBC is owned by the NBCUniversal News Group, a unit of the NBCUniversal Television Group division of NBCUniversal (all of which are ultimately owned by Comcast). <P0-S2> Although they had the same name, msnbc.com and MSNBC maintained separate corporate structures and news operations. <P0-S3> MSNBC and its website were founded in 1996 under a partnership between Microsoft and General Electric's NBC unit, hence the network's naming. <P0-S4> msnbc.com was headquartered on the Microsoft campus in Redmond, Washington while MSNBC operated out of NBC's headquarters in New York City. <P0-S5> Microsoft divested its stakes in the MSNBC channel in 2005 and in msnbc.com in July 2012. <P0-S6> The general news site was rebranded as NBCNews.com, and a new msnbc.com was created as the online home of the cable channel. <SEP> <P1-S0> drift: the unmooring of american military power is a 2012 book by rachel maddow. <P1-S1> her first book, "drift" explores the premise that the manner in which the united states goes to war has gradually become more secretive and less democratic. <P1-S2> in "drift", maddow examines how american declarations of war have incrementally shifted from being congressionally approved to being centralized in the hands of the american president. <P1-S3> the book's scope spans from the vietnam war to the wars in iraq and afghanistan. <SEP> <P2-S0> Starting with Windows 8, Hyper - V superseded Windows Virtual PC as the hardware virtualization component of the client editions of Windows NT. <P2-S1> Microsoft Hyper - V, codenamed Viridian and formerly known as Windows Server Virtualization, is a native hypervisor; it can create virtual machines on x86 - 64 systems running Windows. <P2-S2> A server computer running Hyper - V can be configured to expose individual virtual machines to one or more networks. <SEP> <P3-S0> It is hosted by Rachel Maddow, who gained a public profile via her frequent appearances as a progressive pundit on programs aired by MSNBC. <P3-S1> It is based on her former radio show of the same name. <P3-S2> The show debuted on September 8, 2008. <P3-S3> The Rachel Maddow Show (also abbreviated TRMS) is a daily news and opinion television program that airs on MSNBC, running in the 9:00 pm ET timeslot Monday through Friday. <SEP> <P4-S0> mobil 1 the grid is a motorsport magazine show, which airs on channel 4 in the united kingdom on saturday mornings (the first six episodes were shown on friday nights), and is repeated during the following week on motors tv. <P4-S1> it is also broadcast on cbs sports network in north america, and fox sports 3 in latin america. <P4-S2> the show is narrated by eddy temple-morris and charlie brougham, and supported by lubricant mobil 1. it is produced by sunset + vine. <P4-S3> the show first aired in march 2009, and there were 26 weekly shows during the first year. <P4-S4> in 2013, this increased to 30 episodes supported, by a new website which hosts exclusive online features.