He says his political enemies have been conducting a 'stealth' [='secret'] campaign to block his nomination.
The fox uses 'stealth' and cunning to hunt its prey.
a 'stealth' bomber/fighter
(..) infiltrated Calico's R.D. cover base! It's not gonna be exactly like that, Rhino. We gonna have to do things a little differently. Oh, stealth mode! ADOPT A PET WEEK - Good night, Ester. - Good night, Lloyd. Lloyd? Lloyd Spoony, you jump out and scare me, (..)2008 Bolt
(..) Yes. Bolt, I can be a valuable addition to your team. - I'm listening. - I'm lightning quick. I have razor sharp reflexes and I'm a master of stealth. Plus, I'll keep the cat in check. - The road would be rough. - I have a ball. - There is no turning back. - I guess I have to roll with the punches. (..)2008 Bolt