I see much disinfo about Trump another case is point.
Life News “Donald Trump on Abortion: Im Pro-Life and I Have Been Pro-Life “
http://www.lifenews.com/2015/01/26/donald-trump-on-abortion-im-pro-life/
Trump changed to Conservatism later in life, but that’s not possible for some.
This article and those who agree with the liberal author are Exhibit A in support of your statement.
I think it is possible for many. I just don't believe it valid when it is done for political reasons.