The Pentagon’s planned revamp of the U.S. nuclear arsenal appears to have sent Russian leaders into a frenzy, with some worried the Obama administration just ratcheted up U.S. nuclear posture. “It is not only their over-the-top Russophobia, which has unfortunately become of late a norm for public speeches by representatives of the outgoing administration,” said the Russian Foreign Ministry Thursday, as reported by the TASS news agency, a Kremlin-backed outlet. “[We have] serious concern over the mentioned readiness to use their nuclear potentials in case of an armed conflict with participation of Russia with an aim to prevent our country...