WATCH LIVE: Ex-Chief Justice Roy Moore faces Luther Strange in 'Lincoln-Douglas' debate for Senate
Roy Moore (Fox News)

Former Alabama Chief Justice Roy Moore on Thursday will debate incumbent Sen. Luther Strange ahead of Tuesday's Republican Primary run-off for U.S. Senate.

Moore is expected to attend a rally with former Vice Presidential candidate Sarah Palin following the debate.

Watch the debate below beginning at 6:30 p.m. ET.