Moving NAC in from the network's edge to include switches and wireless devices lets network administrators build baseline security policies for these devices before they connect to the network.

Enterprises that diligently use security best practice to protect their IP telephony servers should not let these threats derail their plans. For these enterprises, the benefits of IP telephony far outweigh any security risks.

Many businesses are delaying rolling out high productivity technologies, such as wireless local area networks and IP telephony systems, because they have seen so much hype about the potential threats.

For these three reasons -- national security, how China evolves, our commercial interests -- I believe that this agreement is very much in our national interest.

The budget surplus is $5.6 trillion. Two and a half trillion of that is put aside for Social Security and paying down the national debt, ... That leaves $3.1 trillion in surplus. That's after we've taken care of all existing spending. We're only asking that half of that, [$1.6 trillion] out of the $3.1 trillion, be used for tax cuts.

We can provide security for systems currently being used and for those that are added on an incremental basis.