"if he can keep this country from having a major terrorist attack" is a result of what Bush put into place. Obama has degraded our security and it's only a matter of time.

"if he can keep this country out of two unnecessary wars" well we all pretty much know what direction that is headed. ISIS has grown beyond belief and we now have a much bigger problem because of his inaction.

"if he can keep the economy from imploding" the economy is coming around despite his interference - the economy will fix itself without government interference. His actions have slowed recovery which is evidenced by stagnant wages and a ficticious unemployment rate (doesn't include those that have just given up looking for work or the underemployed?

Anything else?