
The most conservative/moderate of the members of Congress running for the Democratic nomination is still Michael Bennet, who had an ideological score of -0.209 in May, making him more conservative than 88% of Democrats in the 116th Senate. His score is now -0.211, which has allowed his relative placement to change, as Bennet is now more conservative than 86% of the Democrats in the upper chamber of Congress. Even Bennet has become relatively more liberal as he has compaigned for the nomination to compete for the highest office in the land.
That was the story in Senators and Representatives running for the Democratic nomination are drifting to the left as they campaign. On The Issues shows most of the Democratic candidates have moved left during the campaign, too, told a similar one.

Michael Bennet had been tied with Buttigieg at 23 on the economic scale in June. He has now moved slightly to his right economically, as his score along that dimension is now 25. However, his social score has moved five points in the liberal direction from 68 to 73 for net shift of three to the left. Still, because I prioritize economic over social policy, he has dropped three places from seventeenth to twentieth. He maintains his classification as a Moderate Liberal.
That completes this series for now. I may have more next month, as the debates may move some candidates around.