It's Bernie's World (And 2020 Democrats Are All Living in It) [View all]
Whats more important at this stage of the game is the ability to set the terms and the terrain of the game. This is where Sanders has dominated. The Vermont Senator has set the rules (both written and unwritten) and has forced the rest of the field to follow them.
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Today, Medicare for All has become the default position of almost every candidate in the race. While the 2020 candidates have differed in their approach and embrace of Medicare for All, the issue is animating and dominating the 2020 primary debate. That is exactly how Sanders would like it to be. That, however, is not where a lot of Democrats would like to see the focus of attention especially those who worry that a debate over socialized medicine will be a political disaster for their party in 2020.
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Moreover, Sanders and his allies have been effective in painting these delegates as subversive. That serves to lessen their influence, even on a second ballot at a contested convention. In other words, if Sanders comes into the convention with the most pledged delegates, the superdelegates' ability to coalesce and deny him the nomination will be seen as illegitimate.
https://cookpolitical.com/analysis/national/national-politics/its-bernies-world-and-2020-democrats-are-all-living-it