The candidates in Indiana's hotly-contested U.S. Senate race will meet tonight on the campus of Purdue Northwest in Westville, Indiana for the first of two scheduled debates.

U.S. Sen. Joe Donnelly (D-Ind.) says he has "deep reservations" about President Donald Trump's Supreme Court nominee, Judge Brett Kavanaugh, and will vote against him. Republican challenger Mike Braun calls Donnelly's decision a "grave mistake."

The U.S. Chamber of Commerce announced Tuesday that it was backing the businessman and former state lawmaker, who is challenging Sen. Joe Donnelly.

Lugar was also critical of President Donald Trump's trade war with China. He says the impact of those policies will hit Indiana farmers very soon.

U.S. Sen. Joe Donnelly (D-Ind.) and Republican challenger Mike Braun both seek to assure seniors they'll protect Medicare and Social Security.

With less than two months until the election, Mike Braun has yet to purchase air time for October, while incumbent Joe Donnelly (D-Ind.) has outspent him by almost double on TV and radio since June, records show.

Indiana Democratic Sen. Joe Donnelly talks with Here & Now's Jeremy Hobson about his Senate race against former state Rep. Mike Braun.

The Senate Leadership Fund on Tuesday announced the campaign, which will run across the state on broadcast TV, cable, radio and online.

It's been several election cycles since the Indiana FOP endorsed a candidate in a U.S. Senate race.

President Trump spoke about trade, immigration and coal during the rally in Evansville. He also supported Republican Mike Braun in his bid to unseat U.S. Sen. Joe Donnelly (D-Ind.).