Robert F. Kennedy Jr.’s sister laid into former President Donald Trump, calling him a selfish liar, among other insults on Friday night. Hours after her brother suspended his campaign in battleground states and endorsed Trump for the White House, Kerry Kennedy appeared on “The Source” with Kaitlan Collins. Kerry Kennedy told Collins her father would “detest almost everything” that Trump represents. Want more breaking political news? Click for the latest headlines at Raw Story. “His lying, his selfishness, his rage, his cynicism, his hatred and racism, his fascist sympathies, his deliberate mis…