Muslim Reform Movement - WikipediaWhen did you become an expert on Islamic reform? I think Islamic reform well could be as simple as discarding many aspects of Sharia and acknowledging that some parts of the scripture and Muhammad's life should be retired from consideration.
Seriously, what's your best guess as to what parts of Islam you think Sarsour is in favor of? The one idea I got is "no charging of interest on bank loans". What else?
This is the official reform movement, with the leaders included so you can read their individual statements. Compare and contrast to Muslim beliefs like this one:
Sharia | Teaching Tolerance - Diversity, Equity and Justice