The Ticker: Twitter Threats; Leadership Skills; de Blasio Comms; Yahoo Paydays; Music Festivals

Gothamist: JFK-to-DC Flight Grounded Because of Twitter Bomb Threat

PRSA: 7 Skills PR Leaders Need to Succeed in Coming Years

New York Daily News: De Blasio Still Searching for Communications Director

NBC News: Fired Yahoo Exec Gets $58M for 15 Months of Work

AdAge: Marketers Return to Summer Music Festivals