Issa: Christie really 'overweight'
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“He (Rubio) was told in sort of a domineering fashion by a slightly older, slightly overweight governor ... OK, it wasn't slightly, he's a lot overweight,” Issa said of Christie. 
“He chose not to take the bait of an attack and you know what, I respect that. I respect him for being Reagan-esque," Issa continued, referring to Rubio, whom he endorsed in November.
"Instead of attacking back at his opponent and berating him, he started talking about what he thought mattered," Issa said of Rubio pivoting to attacking President Obama several times during the debate.
Issa said he thought Christie was "auditioning to be Donald TrumpDonald John TrumpRed states find there’s no free pass on Medicaid changes from Trump Trump meets with Moon in crucial moment for Korea summit The Memo: Trump flirts with constitutional crisis MORE's running mate" during the debate, where Rubio appeared rattled after clashing with Christie who cast the senator as overly scripted.