Complex sentence: Some academic critics also argue, on the basis of guilt by association, that SDI also has support from USAID and the Gates Foundation, and that some SDI leaders have worked with the Peruvian neo-liberal economist Hernando de Soto.
Split into simpler sentences: Some academic critics also argue, on the basis of guilt by association, that SDI also has support from USAID and the Gates Foundation. Some SDI leaders have worked closely with the Peruvian neo-liberal economist Hernando de Soto.