A college landscape without the Pac-12 has become a storyline worth considering, though a break-up of the 107-year-old league isn’t particularly likely. Industry sources still project a media rights deal split between ESPN and Amazon for the embattled conference. However, dissolution of the Pac-12 is being talked about openly in those same industry circles as a potential consequence if the league does not wrap up its new deal soon. The fact that it could happen in these tenuous times is enough to project what the process might look like. Multiple sources tell CBS Sports the league is struggling to match its desired value for its 10-team league (south of $400…