WASHINGTON — Speaker Kevin McCarthy said Monday he disagrees with “everything” Robert F. Kennedy Jr. reportedly said last week about Covid-19 being bioengineered “to attack Caucasians and Black people” and that Jewish people are "most immune." But McCarthy, R-Calif., rejected calls by Democrats to cancel Kennedy’s public appearance on Thursday before a Republican-controlled House committee. Kennedy, an environmental attorney, has pushed conspiracy theories, including about the safety of vaccines. “I disagree with everything he said,” McCarthy told reporters in the Capitol. “The hearing that we have this week is about censorship. I don’t think censoring somebody is actually the answer...