Todd Akin

Hawley must unite GOP factions in Missouri Senate race

Republican Missouri Attorney General Josh Hawley will have to walk a tightrope between warring factions of the Republican party if he wants to unite the GOP and oust Democratic U.S. Sen. Claire McCaskill from office in 2018.

Hawley, a 37-year-old in his first year of elected office, released a video Tuesday morning officially announcing his candidacy, although he signaled his intent months ago. McCaskill is among 10 Senate Democrats running in states won by Trump and is considered one of the most vulnerable incumbents.

Hawley's earliest supporters include Missouri's moderate former U.S. Sen. John Danforth, 81, a scion of the state Republican establishment and a strong critic...