American Heritage Dictionary:

ter·ror·ism (těr'ə-rĭz'əm) Pronunciation Key
n. The unlawful use or threatened use of force or violence by a person or an organized group against people or property with the intention of intimidating or coercing societies or governments, often for ideological or political reasons.

We have a mechanism in place since the birth of this nation for influencing policy decisions that do not involve bombing people, places, or things. It is called voting and free speech. Ayers has said in recent years he regrets not doing more which erases any notion that he can be forgiven because his violent criminal terrorist activity took place when he was younger.

Saying that "McCain destroyed government property" because his aircraft was shot down during battle with the enemy makes it impossible to take you seriously.