To mar : 'to detract from the perfection or wholeness of ' ; the synonym of 'to spoil'. (from Merriam-Webster)
So from whose perspective was the AP writing, when they headlined "Bush's Iraq-Afghan farewell tour marred by dissent" ?
A good portion of the world seemed delighted by the shoe throwing incident, and would probably have considered a different wording to the headline. And more than that, the headline equated the word dissent with something negative.
Don't question your benevolent leaders.
