Retired U.S. Army Colonel Douglas Macgregor advocates for Bitcoin (CRYPTO: BTC) as a sanctuary from a predicted impending collapse of the financial system. Will Putin Adopt Bitcoin?In a conversation with Natalie Brunell, the former Senior Advisor to the Acting Secretary of Defense under the Trump administration responded to remarks by Russian President Vladimir Putin about the U.S. dollar’s decline: “I’m waiting for him to announce that he’s going to start using Bitcoin as currency,” Macgregor revealed. MacGregor On Bitcoin’s Investment PotentialMacgregor expressed his bullish stance on Bitcoi…