“Democrats across the Midwest are appealing to President Joe Biden to back Chicago as the destination for the 2024 Democratic National Convention, arguing the party must send a strong signal of support if it is to keep its ‘blue wall’ of states intact in the next presidential election,” NBC News reports. “A band of governors, congresspeople and mayors from Illinois to Minnesota, to Kentucky, signed a letter Wednesday… calling on both the White House and DNC Chair Jaime Harrison to choose Chicago.” “Their argument?