The advance of Ukrainian forces into the Kursk region presents a serious dilemma for Russian President Vladimir Putin, states US President Joe Biden. The White House chief commented for the first time on the Ukrainian military operation during a visit to New Orleans. “I have spoken with my staff on a regular basis, probably every four or five hours for the last six or eight days and it’s creating a real dilemma for Putin,” Biden said. Biden also added that he and his administration are in direct, continuous contact with the Ukrainians while the military operation continues. Biden says Ukraine’…