Supporters of former President Donald Trump are pumping money into Robert F. Kennedy Jr.’s presidential campaign, according to a new report. Steve and Tracy Slepcevic are the subject of an in-depth Mother Jones investigation into the gray political area between Kennedy and Trump where anti-vaccination, QAnon followers and Christian nationalists lurk. ALSO READ: A criminologist explains why keeping Trump from the White House is all that matters According to the report, Kennedy attends Slepcevic-hosted fundraisers where tickets costs upwards of $2,700 and is selling signed copies of Tracy’s book…