A Massachusetts man accused of plotting to attack the Pentagon and U.S. Capitol building with model planes filled with C-4 explosives will plead guilty to two terror charges, say prosecutors, and serve a 17-year federal sentence. According to court documents filed by prosecutors and attorneys for Rezwan Ferdaus, a Northeastern University physics graduate and U.S. citizen, Ferdaus has agreed to plead guilty to attempting to provide material support to terrorists and attempting to damage and destroy federal buildings by means of an explosive. Ferdaus, 27, was arrested at the culmination of a long-term sting operation by undercover FBI agents posing...