WASHINGTON — Splintered House Republicans elected Rep. Paul Ryan to be the chamber’s 54th speaker today, turning to the youthful but battle-tested Wisconsin lawmaker to mend the party’s self-inflicted wounds and help woo voters in next year’s elections.“The House is broken,” Ryan said in his first remarks to the chamber, seemingly referring as much to a GOP civil war between hard-liners and pragmatists as to the House’s customary partisan divisions.“We are not solving …