[vstm]

It's funny you should mention Portugese, there was a report in Schweiz aktuell once where they said a lot of Portugese speakers would better integrate in Rumansch speaking parts because Rumansch and Portugese are similar.

[ucaetano]

Yes, indeed, or at least in the Italian part. French wouldn't help much.

[pjmlp]

Sure it would, as many of us learn it as third foreign language.

As former resident in the French cantons, it is quite easy to bump daily into Portuguese.