Members of a secretive Turkish Islamic movement that is at the center of a congressional ethics committee investigation have donated hundreds of thousands of dollars to Hillary Clinton’s presidential campaign and to her family’s charity, a Daily Caller investigation has found.The largest donation from a leader of the Gulen movement, which is operated from Pennsylvania’s Pocono Mountains by a moderate Muslim cleric named Fethullah Gulen, came from Recep Ozkan. A former president of the Gulen-linked Turkish Cultural Center, Ozkan gave between $500,001 and $1,000,000 to the Clinton Foundation in recent months, the charity’s website shows. He also served as a national...