Well, yes, Mr. President. This realization has taken you 9 months to figure out, and has cost the lives of somewhere around 130,000 Russians and Ukrainians who died while you flop around looking for a policy that works.
Which would be easier if you hadn't masterfully broadcast your goal the campaign trail. Which ties a quick, lasting peace to you political legitimacy and ego. So you have to jump at any chance of success. And your opposition can dangle quick fix solutions in front of you, then bail on them last minute to play for time.
Which you didn't just admit they'd succeeded in doing. Oh you masterful negotiator. I hope sanctions work for you though, it's not like you could have done this on January 21st, to gain some of the leverage you threw away.
I guess we'll have to wait and see.