Lindsey Graham on presidential Twitter fight: 'knock this crap off'

Photo: Paul Sancya, AP

A Twitter fight between two presidential candidates about their wives continued through a second late night on Wednesday.

GOP frontrunner Donald Trump retweeted a photo of his wife, Melania Trump, next to an intentionally unflattering photo of Heidi Cruz, wife of Texas Sen. Ted Cruz.

Cruz retweeted the picture and wrote, "Donald, real men don't attack women."

South Carolina Sen. Lindsey Graham, a former presidential candidate, reluctant Cruz backer, and regular commentator on the presidential race, swiftly condemned the two men's digital demeanor during a Thursday morning interview with NBC's TODAY.

"Talk about things that people really care about and knock this crap off because these are serious times and you're not behaving like you want to be president of the United States," Graham said on TODAY. "You're behaving like you're on a reality TV show."

Trump and Cruz's latest crossfire of tweets follows a Tuesday night exchange, when Trump, upset by pro-Cruz forces using photos from his wife's 2000 nude photo shoot, threatened to "spill the beans" on Cruz's wife.

Cruz tweeted back saying, "If you try to attack Heidi, you're more of a coward than I thought."