Democrats are pumping an unprecedented amount of money into advertising related to abortion rights, underscoring how central the message is to the party in the final weeks before the November midterm elections. With the most intense period of campaigning only just beginning, Democrats have already invested more than an estimated $124 million this year in television advertising referencing abortion. That’s more than twice as much money as the Democrats’ next top issue this year, “character,” and almost 20 times more than Democrats spent on abortion-related ads in the 2018 midterms. The estimated spending figures, based on an Associated Press analysis...