change (one's) stripes

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change (one's) stripes

To radically or fundamentally shift one's opinion, ideology, or allegiance, especially in relation to politics. Derived from the phrase "a tiger cannot change its stripes," meaning that people are incapable of changing their essential nature. The former president has changed her stripes regarding social welfare since leaving office.
See also: change, stripe
References in periodicals archive ?
Horowitz's solution is to change stripes and adopt a traditional liberal tactic: Bring in big government.
Since it is much more typical for companies to live through quarters of denial and be slow to change stripes, we think Wall Street is being unduly skeptical of Analog Devices.