PROVIDENCE, R.I. - Acknowledging this will be a "difficult recommendation" for public school teachers and others still bristling over pension cuts, the political-action arm of the National Education Association Rhode Island has endorsed Democrat Gina Raimondo for reelection as governor.The teachers union announced the endorsement early Thursday morning, saying it had been arrived at by NEARI's Political Action Committee for Education (NEARI-PACE) during a special meeting.