NEW : Rep. Ryan calls Republican majority 's stance ` ` fundamentally unfair '' and announce panel members with glitzy Facebook post . House Democrats are divided over joining the new committee panel . The new committee takes over work by several other panels .
NEW : Rep. Pelosi calls Republican majority 's stance `` fundamentally unfair '' Republicans announce panel members with glitzy Twitter post . House Democrats are divided over joining the new Benghazi panel . The new committee takes over investigations by several other panels .