Defiant Cain says he won’t drop out of GOP race

SCOTTSDALE, Ariz. — Under ris­ing pres­sure from fel­low Repub­li­cans, pres­i­den­tial hope­ful Her­man Cain sought to muddy the rep­u­ta­tion of one accuser, force­fully denied any and all alle­ga­tions of sex­ual impro­pri­ety and vowed Tues­day the grow­ing con­tro­versy would not drive him from the race for the White House.