There will be a Democratic divide on Afghanistan, but where the fault line will be is fuzzy.

CNN: Obama ally breaks with him on Afghanistan

As Microsoft slowly leaves the legacy world behind in order to keep up with its rivals, a tension will be introduced into the market along a fault line I highlighted in a previous column: the x86-ARM divide, which falls at the bottom of the stack shown in the graphic at the top of the page.

FORBES: Windows Devices: The Future Is Called RT