Complex sentence: The Roosevelt Institution is a U.S. non-profit, non-partisan network of campus-based think tanks: students across the country conduct policy research on the pressing political problems and the organization's national infrastructure connects the products of that research to the policy process.
Split into simpler sentences: The Roosevelt Institution is a non-profit, non-partisan network of campus-based think tanks. Roosevelt students across the country conduct policy research on pressing political problems and the organization's national infrastructure connects the products of that research to the policy process.