Fake Muslim?

Sunni, Wahhabi, Shia, Sufi, Ismaili, Ahmadiyya, Twelvers. Will the true Muslim please stand up? What makes a Muslim? What are the implications of non-Muslims declaring what is "true" Islam? Also, a review of President Trump's religious freedom declaration at the United Nations.

• UN: Trump, Pence seek to elevate religious freedom as global priority
• Trump Stands Up for Religious Freedom - WSJ