Bush started the wars in Iraq and Afghanistan and dumped both of them on Obama, who vowed to end both of them during the 2008 campaign but made it clear that it would not be immediately, which I thought was reasonable. Our military involvement in Libya was in support of NAT and limited to air support. We never put any boots on the ground. What other wars are you referring to? Moreover, we are out of Iraq now and will be out of Afghanistan in 2014. Bush let both wars drag on for 7-8 years (Afghanistan) and 5-6 (Iraq) with no willingness to consider any timetables for ending either of them (well, at least until the very end in regards to Iraq).