You have no idea how good you have it here. Do some traveling to the less blessed parts of the world and see how happy you are to come home.
The US and the President are known as the leader of the free world because they lead and represent free democratic nations worldwide. Either way, its a figure of speach, let it go.
And gay marriage and that other stuff you gripe about, we have the freedom to vote representatives in office to address those issues for the people. You cant marry a dude, you also cant rob a liquor store and stab an old woman. These are things the people have chosen to make illegal.