The story of Red vs. Blue

Games Other Halo
1

Making Halo 4: First Look
http://halo.xbox.com/en-us/Games/Detail/making-halo-4-first-look/9a9548bc-a4bf-4112-b4a9-ff935afecb5e

@2:52 ‘We’ve created a fairly compelling, and fairly convincing reason why red spartans can fight blue spartans.’

Any ideas?

2

Tucker did it