WASHINGTON — A man armed with a machete once broke into Stephen Breyer’s vacation home in the Caribbean and took $1,000. Ruth Bader Ginsburg had her purse snatched on a Washington street. David Souter was assaulted by several men while he was jogging.Supreme Court justices have not been immune to violent crime. But this past week’s late-night incident at Justice Brett Kavanaugh’s suburban Washington home, where authorities said a man armed with a gun and knife threatened to kill the justice …