“D.C. Democrats are growing increasingly alarmed about the Republican spending advantage in the Michigan Senate race — and some are asking when progressive groups will start putting serious money behind Abdul El-Sayed,” Axios reports.“The Democratic establishment’s main super PAC is pouring an additional $10 million into the race to back El-Sayed, even as the Democratic nominee has declined to say whether he would support Senate Minority Leader Chuck Schumer (D-NY) as leader next year.”