Having large drink at bar with journalist, being flexible (6,7)

'flexible' is the definition.
(similar in meaning)

'having large drink at bar with journalist' is the wordplay.
I cannot really see how this works, but
'large' could be 'l' (eg in clothes sizes) and 'l' is located in the answer.
'at' could be 'in' (synonymous in some cases - eg at school, in school) and 'in' is located in the answer.
'bar' could be 't' (T-bar is a part of a ski lift) and 't' is found within the answer.
'journalist' could be 'ed' (short for editor) and 'ed' is found within the answer.
This explanation may well be incorrect...

'being' acts as a link.

Can you help me to learn more?