There is no law against accepting opposition research from whatever the source, the veracity of which is then up to the acceptor, so if Trump was willing to accept dirt from the Russians against Hillary, it’s no big deal, while though the ObamaGate players having foisted Hillary’s Golden Shower Dossier (through Christopher Steele and Fusion GPS) on the FISA courts was election rigging by the ObamaGate players having weaponized the intel agencies against Trump.