What does the use of more powerful weapons mean for Ukraine?

Russia has attacked Ukraine with a new hypersonic missile.
Western leaders say it marks a dangerous new phase in the war.
The Kremlin says it follows a decision by the White House to let Ukraine fire US missiles into Russian territory.
So, what could happen next?
Presenter: Bernard Smith
Guests:
Michael Bociurkiw – Global affairs analyst
Pavel Felgenhauer – Russian defence and military analyst
Steven Erlanger – Chief diplomatic correspondent (Europe), The New York Times