The terrorists know that the outcome will leave them emboldened or defeated. So they are waging a campaign of murder and destruction. And there is no limit to the innocent lives they are willing to take.
We remember the specter of sectarian violence -- al Qaeda's attacks on mosques and pilgrims, militias that carried out campaigns of intimidation and campaigns of assassination. And in the face of ancient divisions, you stood firm to help those Iraqis who put their faith in the future.
The terrorists know that the outcome will leave them emboldened or defeated. So they are waging a campaign of murder and destruction. And there is no limit to the innocent lives they are willing to take.
The other reason might be that you want to talk to voters when you've got seven primaries in seven days. Understand what's happened in this race - where we campaign actively in a state, and voters have the chance to see me directly, they check under the hood, and they kick the tires, when we don't have as much time.