Everything that needs to go right for Democrats to win the Georgia runoffs, explained

To win two hotly contested Senate runoff races, Democrats in Georgia need a lot of things to go right.

Georgia voters haven’t sent a Democrat to the Senate in 20 years, and Democrats handily lost the Senate runoff in 2008. But ask Democratic candidates Jon Ossoff and Rev. Raphael Warnock, and they insist things are different now. For one thing, the two Georgia races will determine which party controls the Senate — and by extension — political power in Washington, DC. For another, their party’s presidential candidate just won the...