Medical Marijuana: Obama's War On Pot Ramps Up In Colorado, Key Swing State

Presidents ignore laws all the time, but even that isn't necessary for this.

The law explicitly gives the executive branch the power to change the scheduling of particular drugs without needing Congressional action.

Obama could easily and justifiably move marijuana to, say, schedule III, which happens to be the same schedule that synthetic THC is in, making medical marijuana legal under federal law.

So Obama is either lying or he's ignorant of the law.
Read the Article at HuffingtonPost