And the percentage of Muslims who believe that sharia should apply to both Muslims and non-Muslims is 44% in Palestinian territories, 74% in Egypt, 61% in Afghanistan, 58% in Jordan, 43% in Turkey, 38% in Iraq, and 31% in Kosovo.
Sharia in Western countries is an illegal parallel justice system. In countries run under Islamic law, it's simply a normal part of the justice system. Women are treated as second-class citizens (read here, here, here, here, and here for some examples).
In Denmark, France, Germany, Britain, Belgium, the Netherlands, and other European countries, sharia police walk around enforcing Islamic law on both Muslims and non-Muslims, preventing people from drinking, gambling, going to discos, or taking part in any other activity contrary to the teachings of the Quran.
Sweden has become an exporter of jihad now that critical mass has been reached. One town in Norway is a pipeline to jihad.
Kosovo, the darling of the West, was first per capita in 2015 among 22 Western states with citizens fighting in Syria and Iraq. Fundamentalist Islam is quickly taking over as the dominant form.
The median percentage of Muslims who believe religious leaders should have political influence ranges from 79% in southeast Asia to 22% in southern-eastern Europe.
Most telling, the percentage of Muslims who believe that suicide bombings are justified to defend Islam is 40% in Palestinian territories, 29% in Egypt, 39% in Afghanistan, 15% in Jordan, 15% in Turkey, 7% in Iraq, and 11% in Kosovo.
Saudi Arabia, where Trump made his most recent speech, in 2002 was the scene of a fire at a girl's school where the religious police refused to allow the girls to escape the inferno because they weren't properly dressed, resulting in 15 fatalities.
Also according to Pew Research, 31% of Muslims in the U.S. say there is only one true way to interpret Islam, while 38% maintain that traditional understandings of Islam are all that are needed to address today’s issues.
Halt all immigration of Muslims until we can reliably vet them for murderous views regarding non-Muslims. Deport Muslims who espouse sharia and/or declare support for terror groups such as Islamic State, al-Qaeda, and al-Shabab. If citizens are the ones doing it, prosecute them for treason and sedition.