Former Hillary Clinton campaign official Karen Finney clashed with former Donald Trump campaign official Bryan Lanza on CNN Thursday, over GOP attacks on the military service record of Vice President Kamala Harris’ running mate, Minnesota Gov. Tim Walz. Finney debunked the Trump camp’s claims that there were “discrepancies” in his account of what he did while in the Army National Guard. This came amid coverage of Trump’s bizarre press conference at Mar-a-Lago this afternoon, where he compared himself to Martin Luther King Jr., complained about how the media’s treatment of him, and grudgingly r…