Vice President Kamala Harris delivered a speech before an enthusiastic crowd in Milwaukee on Tuesday that earned plaudits from many progressive political observers — as well as relief about the contrast she delivers between herself and both President Joe Biden and former President Donald Trump. Harris, who was endorsed by Biden on Sunday after he announced that he would be dropping out of the 2024 race, delivered a fiery address that touched on themes ranging from voting rights to reproductive freedoms to gun safety. Writing on Twitter, many progressives took immediate note of the jolt of ener…