At a time when many potential 2016 presidential contenders appear to be starting the ignition of their campaigns, Hillary Clinton has pressed the brake pedal. Or so it seems. Clinton’s calendar, which was jam-packed throughout most of last year with paid speeches, award ceremonies, fundraisers, book tour stops, campaign appearances and official Clinton Foundation business, is now virtually empty. (SNIP) At a time when many potential 2016 presidential contenders appear to be starting the ignition of their campaigns, Hillary Clinton has pressed the brake pedal. Or so it seems. Clinton’s calendar, which was jam-packed throughout most of last year with...