The latest news is that the US government is look closely at Bitcoin. A number of governments such as Russia and China are also planning to issue their own digital currencies. They clearly see a financial threat from Bitcoin.
What do you think? Can governments kill Bitcoin and replace it with their own digital/crypto currency?
I don't think anyone can kill BTC unless the whole BTC community agrees to do so. BTC is distributed and decentralized which means it's not under any single authority's control. But yes government policies on BTC can have a huge impact on the crypto market, as in Sep last year we saw a huge decline in BTC value after China ban ICO's.