That seems to be the soft underbelly of security right now is those secret questions.
The filling is the soft underbelly that's vulnerable to attack.
The soft underbelly of baseball has to answer questions like: "Do you think you'll open the upper deck at all this season?"
"You can see there is a soft underbelly to the giant."
"If a quarter are admitting that they're not going to give as much, that's a very soft underbelly to worry about."
If this bionic economy has a soft underbelly, it may be trade.
They have large sticky pads on their toes and a soft underbelly.
In that scenario, the Americans might press too hard and abandon their slot, the soft underbelly.
"If we have a soft underbelly, they're going to run on us."
"This is the soft underbelly where the pharmaceutical companies find the health agencies are not so strong."