Get ready to travel back in time three decades on Sunday night with the debut of Season 2 of Halt And Catch Fire on AMC. Now the Christopher Cantwell and Christopher C. Rogers-created series about the dawn of the digital revolution was one of my favorite new series of 2014 but, as my video review above says, the stronger Halt And Catch Fire 2.0 has a lot more bandwidth and ram. Picking up in 1985 in the middle of the Reagan Era, Cameron Howe, played by Mackenzie Davis…