A fiendishly clever theory from Peter Beinart. Remember “Operation Chaos� That was Rush Limbaugh’s plan to have GOP voters wreak havoc on the Democratic nominating process in 2008. With McCain’s nomination already all but assured and Obama clinging to an apparently insurmountable lead over Hillary, Rush encouraged Republicans in states with open primaries (i.e. states where you don’t have to be registered as a party member to vote in that party’s primary) to cross over and vote for Hillary in the Democratic primary instead. The idea was to drag the primary process out for Democrats as long as possible, forcing...