Just one poll, but still: Fox now has Trump, Carson & Cruz in double digits. Jeb, Walker, Rubio all in single digits

Just one poll, but still: Fox now has Trump, Carson & Cruz in double digits. Jeb, Walker, Rubio all in single digits. http://t.co/hev1qCcADn

— Alec MacGillis (@AlecMacGillis) August 17, 2015