Now Playing: News headlines today: Nov. 5, 2018

Now Playing: 2018 Midterm Election coverage

Now Playing: News headlines today: Nov. 6, 2018

Now Playing: Cindy McCain pays tribute to late husband at rally

Now Playing: Trump campaign ad pulled from airwaves

Now Playing: Why it Matters: Jamia Wilson says equal rights is driving her to vote

Now Playing: Why it Matters: Clay Aiken on what’s driving him to vote

Now Playing: McCaskill fighting tooth and nail to hang onto Missouri Senate seat

Now Playing: Tallahassee mayor hopes to become Florida’s first black governor

Now Playing: Fight to the finish in Texas as voters decide fate of red state

Now Playing: Trump talks up jobs, economy at urging of GOP leaders

Now Playing: Abrams makes last pitch to become first black female governor in the US

Now Playing: Why it Matters: Carrie Sheffield on why you should vote

Now Playing: Trump makes final push in battleground states as midterm election nears

Now Playing: The Briefing Room: Final countdown to midterms

Now Playing: Gov. John Kasich shares his midterm predictions

Now Playing: Who is Christine Hallquist?

Now Playing: Trump: ‘Probably’ won’t meet with Putin in Paris

Now Playing: Georgia GOP gubernatorial candidate opens hacking investigation

Now Playing: President Trump hits campaign trail for Republican candidates