"Good things? He started Reversing the economic collapse handed to him by Bush and Paulson."

A. He asked for it and said he could fix it.
B. There was no economic collapse.
C. Whatever problems there were form the bailout were handed to him by Paulson, Geithner and Summers.
D. Started is not accomplished. Has he finished?

"He started reversing the anti-science policies and the know-nothing policies of the Bush years."

A. What anti-science policies? What Know-nothing politics? this is your rhetorical opinion like the unilateral invasion of Iraq. No basis in fact.
B. Respect from whom and where on the climate? Name a country, name a person.

"began drawing down the Iraq war troop count."

A. As per the plan put in place by the Bush administration.

"That's just a few off the top of my head."

They are on the top of your head and nowhere else.

If you remember the question was concrete positive things that he has accomplished.