Martin Doyle Cartoon: You are a liar, Mr Trump. President Trump's unsubstantiated claims over wire-tapping seem bizarre coming from a world leader. He challenges empirical ways of thinking.

2020, 20/20, compulsive, liar, April 7, 2009 -- We all tell lies once in a while but there are some people who lie all the time. Whether it is a harmless lie, a white lie or an all-out juicy lie.

Liar liar: A PennLive editorial cartoon. Updated: Nov. 14, 2013, 5:30 p.m. ... By using this site, you consent to our User Agreement and agree that your clicks, interactions, ...