He left his club last summer I recall after the unfortunate incident involving a bouncer. Maybe England felt he had let the game down - and they have a new spinner now who is doing okay
He last played for Essex against Hampshire in the middle of last month (15ov-5m-31r-1w & 11ov-2m-53r-2w, 13no & did not bat) and then in three Second XI matches at the end of the month:
http://www.espncricinfo.com/england/content/player/18655.html