Sharia law vs the US Constitution: Texas is a warning to America

The process does not necessarily begin with a revolution. It often begins quietly. - Brad Brandon

...I have spent years working in Northern Nigeria, where I have seen firsthand what happens when religious ideology becomes a political system, and institutions designed to serve a community gradually become instruments for political power.
The process does not necessarily begin with a revolution. 

It often begins quietly.

• First comes the social base: religious organizations, schools, charities and community networks. 
• Then comes political organization. 
• Advocacy groups form. 
• Coalitions deepen. 
• Leaders emerge. 
• Next comes institutional influence — representation in government, education, courts and other centers of authority. 
• Then comes the campaign to change the law, so that religious principles increasingly shape family law, education, criminal law or other areas of public life. 
• Eventually comes political power. 
• And where Islamism succeeds, the ultimate objective can be constitutional change: making Sharia a source of legislation, expanding religious courts or establishing Islam as a governing framework.
•  Finally comes consolidation, when institutions are reorganized to preserve a new political order...