KYIV, Ukraine (AP) — Ukrainian forces scored more gains in their counteroffensive across at least two fronts Monday, advancing in the very areas Russia is trying to absorb and challenging its effort to engage fresh troops and its threats to defend incorporated areas by all means, including with nuclear weapons. In their latest breakthrough, Ukrainian forces penetrated Moscow’s defenses in the strategic southern Kherson region, one of the four areas in Ukraine that Russia is trying to grab and desperately defend. Kyiv's troops also consolidated gains in the east and other major battlefields, re-establishing Ukrainian control just as Russian President...