Republican presidential candidate Donald Trump took to his Twitter account on Wednesday night to retweet an image insulting Heidi Cruz’s physical appearance. There’s been a slap-fight going on between the hotel magnate and his rival for two days now so naturally. Trump took it to another level – a lower level. https://twitter.com/realDonaldTrump/status/712850174838771712?ref_src=twsrc%5Etfw To Cruz’s credit, he…