Crossword Puzzle Attack ___ (campaign tactic)

Clue: Attack ___ (campaign tactic)

Chess tactic that involves attacking two pieces at once (FORK with 4 letters)
____ of attack (PLAN with 4 letters)
Campaigning politician's tactic (ADBLITZ with 7 letters)
Campaign tactics (e.g. DIRTYTRICKS with 11 letters)
Clinton campaign song/Use any tactics necessary (DONTSATNOTHING with 14 letters)
Dirty campaign tactic (e.g. MUDSLINGING with 11 letters)
Attack tactic (SIEGE with 5 letters)
Campaign tactic (e.g. SLUR with 4 letters)
Many a campaign tactic (SLUR with 4 letters)
All-too-common campaign tactic (SLUR with 4 letters)