The Impending Nuclear Wars

The US is performing an alarming escalation towards a nuclear war.
It is completely renovating its strategic nuclear arsenal, actively preparing to launch a "preventive attack", and developing biological and chemical waepons, while the anti-missile shield will complete an impressive offensive system.
A "Fourth Generation" of low-yeld, highly penetrating nuclear warheads have probably been developed and already used: they erase the distinction between "nuclear" and "conventional" weapons and make a nuclear war feasible without formally violating the existing treaties