David Marcus: What Obama's biggest lie can teach us about suddenly centrist Kamala Harris

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In 2008, when Barack Obama was running for president, he flat out lied about opposing gay marriage based on his deep Christian beliefs. We know this because in a book published in 2015, former senior adviser to the president David Axelrod described Obama, after such a speech, complaining to him, "I’m just not very good at bulls---ing."

It turns out he actually was pretty good at it. Today the American people have to ask themselves how good Vice President Kamala Harris is at B.S. as she seeks to transform herself from a San Francisco progressive into a blue-dog centrist Democrat.

Now, Obama had an advantage here. It was mostly only the gay marriage issue where his pretend conservatism seemed completely out of whack with his history as a progressive community organizer. Harris is seeking to reverse half a dozen positions.

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If you have been following them as they go by, Kamala has flip-flopped on building a wall, fracking, Medicare-for-all, reimagining the police, and banning gas-powered vehicles. So far, from what we know, she has not officially registered as a Republican.

Voters, especially Republicans and independents, are naturally a bit suspicious about whether Harris really believes any of these things after a decades-long political