new york republican presidential candidate donald trump wednesday accuse rival ted cruz steal victory iowa caucus call another vote nullification cruz win trump finish second behind cruz light twitter wednesday series post say outcome taint cruz campaign deliberately spread misinformation trump stand obamacare erroneous report ben carson drop race trump go monday caucus vote ahead texas senator five percentage point key poll cruz end win four point ahead new york billionaire ted cruz win iowa steal trump realdonaldtrump tweet poll wrong get far vote anticipate bad several social media users tweet screengrabs allege delete tweet trump official account say cruz illegally steal vote base fraud commit senator ted cruz iowa caucus either new election take place cruz result nullify trump write another tweet trump say cruz lie opinion president barack obama healthcare program finally cruz strongly tell thousands caucusgoers voters trump strongly favor obamacare choice total lie say cruz apologize carson tuesday email campaign caucus crucial first vote u.s. presidential nominate process press report dr. ben carson take time campaign trail iowa make big announcement next week cruz email read accord cnn please inform carson caucusgoers news urge caucus ted cruz many people vote cruz carson cruz fraud trump tweet wednesday afternoon cruz respond trump twitter rant yet another trumpertantrum cruz tedcruz write retweet one trump post realdonaldtrump angry w/the people iowa actually look record carson tweet feel iowa vote tuesday shameless tactics dirty political play define yesterdays iacaucus say use popular hashtag refer vote place kind behavior report amy tennery additional report melissa fare edit bill trott sap sponsor content independently create reuters editorial staff fund part sap otherwise role coverage trump accuse cruz steal iowa caucus 'fraud