Kyiv, Ukraine CNN — Soldiers on the front lines in Ukraine say the prospect of final approval in the US Congress of a $60 billion military aid package for Kyiv will serve as a giant morale boost as Russia looks to step up its advance. The Ukraine aid bill, passed in the United States’ House of Representatives on Saturday, is now due to go to the Senate on Tuesday. If passed in Congress’s upper chamber then President Joe Biden has said he will sign it into law immediately, so that “we can quickly send weapons and equipment to Ukraine to...