Anchorage Mayor Mark BegichMark BegichThe future of the Arctic 2016’s battle for the Senate: A shifting map Trump campaign left out of Alaska voter guide MORE (D), who is challenging indicted Sen. Ted Stevens (R) in one of the fall

The National Republican Congressional Committee (NRCC) has sought to hit Democrats for taking donations from Rangel, publicly criticizing dozens of Democratic candidates who have received funds from the 15-term congressman.