Authors:

Since there are no absolutes, when it's convenient, you change the rules. Do we know any politicians that have done that?

"The 68 Most Controversial Things Ted Cruz's Dad Has Ever Said" by Ilan Ben-Meir, Andrew Kaczynski, Megan Apper, www.buzzfeed.com. March 23, 2015.
Since there are no absolutes, when it's convenient, you change the rules. Do we know any politicians that have done that?