Millions spent on key senate races WEEKLY AD SPENDING IN SEVEN TOSS-UP SENATE RACES ($ millions) TEXAS May Jun Jul Aug Sep Oct 40 30 20 10 0 Elon Musk donations fuel massive Republican spending spree that begins relatively late in cycle REPUBLICAN RUN-OFF (Primary held in March) 15.1 32.8 OHIO M J J A S O 40 30 20 10 0 PRIMARY 25.0 30.6 IOWA M J J A S O 40 30 20 10 0 PRIMARY 14.1 20.9 MICHIGAN M J J A S O 40 30 20 10 0 PRIMARY 16.3 19.7 KANSAS M J J A S O 40 30 20 10 0 PRIMARY 8.8 12.4 MAINE M J J A S O 40 30 20 10 0 PRIMARY 9.4 10.2 ALASKA M J J A S O 40 30 20 10 0 PRIMARY 5.9 6.6 Source: Bloomberg Data compiled Oct 26 © GRAPHIC NEWS