FOX News First: Apr. 13 By Chris Stirewalt Buzz Cut: ·        Scooby Doo or Scooby Don't? Hillary tries for authenticity ·         2016 GOP Power Index: Rubio rises ·         Boning up: Walker on weeklong Euro trip ·        Congress starts six-week grind ·        That sinking feeling SCOOBY DOO OR SCOOBY DON'T? HILLARY TRIES FOR AUTHENTICITY You know, Bill had always seemed to be the Clinton who would be more likely to have a van. But it's Hillary who's rolling out the official phase of her 2016 run from a passenger seat in a minivan bound for Iowa. The question is whether voters will see humility or pandering. What if you knew she plotted her campaign strategy at the beachfront estate of Oscar de la Renta in the Dominican Republic? Yeah… Media outlets are trying to find "Scooby,...

FOX News First: April 7 By Chris Stirewalt Buzz Cut: ·        Ugly early: Paul's entry sets off first round of attacks ·        Jeb biding his time ·        Ex-intel boss says 'very high' likelihood Hillary's server hacked ·        Schumer fights Obama on Iran plan ·        An old-fashioned broil-meets-grill story UGLY EARLY: PAUL'S ENTRY SETS OFF FIRST ROUND OF ATTACKS There is a whole subculture in the Republican establishment devoted to hating Rand Paul , and this is the day its adherents have been waiting for. As Paul gets ready to kick off his official campaign in Louisville today, the effort to kill it intensifies. Paul has moderated his stances, recently calling for a 16 percent raise in Pentagon spending, but that has done nothing to cool the antipathy from the most hawkish members of his party who d...