President Joe Biden all but locked down the Democratic nomination Tuesday‚ but his weakness in Minnesota should serve as a flashing red warning light for Democrats‚ both here and in the more purple battleground states. Despite no money and a bare-bones‚ last-minute organization‚ the “Uncommitted” line pulled nearly 19 percent‚ as progressive voters sought to send a message to Biden that he needs to change his policy toward Israel and its ongoing war in Gaza if he’s to earn their vote....