United Nations (United States) (AFP) – Pressure ratcheted up on Vladimir Putin Wednesday as his decision to send reservists to Ukraine triggered spreading protests and hundreds of arrests at home, and Western leaders tore into the Russian leader at the United Nations. Training his fire on Putin as he addressed the General Assembly, US President Joe Biden accused him of “shamelessly” violating the UN Charter with a war aimed at “extinguishing Ukraine’s right to exist as a state.” Speaking in unison with fellow NATO leaders, Biden denounced Putin for making “overt nuclear threats against Europe”…