Marco Rubio's charge that Ted Cruz is a liar has escalated as the Cruz campaign pushes an obviously fake photo of Rubio smiling and shaking hands with Barack Obama.
The image, caption "The Rubio-Obama Trade Pact," is meant to tie the Florida senator to the president's signing of the Trans-Pacific Partnership.
A Rubio advisor said the photoshopped image shows how "phony and deceitful" the Cruz presidential campaign is.
Whether this will make any difference in the very contentious race, it is providing for lots of Twitter fun. Here is are a few of the highlights: