Pronunciation: Assimilation of /t/ and /j/

Tim's back in his pronunciation workshop. This time he's finding out about how the sound /t/ can change when it comes before a word starting with the sound /j/ - and hearing about what some Londoners say when they meet someone new... http://www.bbc.co.uk/learningenglish/english/course/towards-advanced/unit-29/session-5