Islam in its current form is intolerant and violent towards others, totally incompatible with Western ideals and democracy, and cannot coexist with others. Other than that there's nothing wrong with having a Muslim as president.What's sad and telling is that the OP and many others on the right think there's something 'wrong' with being a Muslim.
Who are our allies against ISIS and Al Qaeda?
Muslims.
Who is ISIS killing
Mostly Muslims.
What is the religion of the leaders we have propped up in Iraq?
Muslim
What is the religion of the leaders we have propped up in Afghanistan?
Muslim.
The anti-Muslim crowd really wants the United States to be at war with everyone of our Middle Eastern allies except Israel.