Related Clues:

• Some execs
• Number 2's
• Bush and Gore, e.g.
• Dick Cheney et al.
• Number twos
• Cheney and Gore
• Some officers
• H.H.H. and L.B.J., once
• RMN and LBJ, consecutively
• Al and Dick, lately
• Vice-presidents
• Many of them have gone on to become president
• #2 execs
• Nixon and Johnson, slangily
• Corporate bigwigs