Rob Portman

Sen. Bernie Sanders, I-Vt., will lend a hand to Democratic Senate candidates after Labor Day by hitting the campaign trail with those competing in battleground states. (AP Photo/John Minchillo)

Sanders plans post-Labor Day campaign appearances with Dem Senate hopefuls

Gabby Morrongiello · August 29, 2016 6:42 pm

Ad campaign ties Democrat Ted Strickland to Hillary Clinton's remarks about putting coal miners out of work. (AP Photo/Jay LaPrete, File)

Energy and Environment

Koch-backed ads in Ohio target Strickland’s record on coal

John Siciliano · August 24, 2016 10:19 pm

Poll: Trump Trails Hillary in Ohio, But Kasich Would Be Winning by 24 Points

John McCormack · August 22, 2016 6:54 pm

According to the latest Monmouth poll, Rob Portman leads Ted Strickland by an 8-point margin, taking home 48 percent support to Strickland's 40 percent. (AP Photo)

Poll: Portman holds solid lead over Strickland

Al Weaver · August 22, 2016 5:00 pm

Barry McCaffrey endorses, cuts ad for Rob Portman

Barry McCaffrey endorses, cuts ad for Rob Portman

Al Weaver · August 19, 2016 11:15 am

Although he supports him, Sen. Rob Portman makes no bones about why Donald Trump has slipped in the polls recently and has made matters for himself and other Senate and House candidates all the more tenuous, pointing to his discipline as a candidate. (AP Photos)

In the shadow of Trump, Portman does his own thing

Al Weaver · August 17, 2016 4:01 am

Portman isn’t worried about what the RNC does with Trump

Portman isn’t worried about what the RNC does with Trump

Al Weaver · August 16, 2016 4:13 am

Republican Sen. Marco Rubio is ahead of Democratic Rep. Patrick Murphy in Florida by 3 points. In Pennsylvania, Democratic challenger Katie McGinty has pulled ahead of GOP incumbent Pat Toomey by a 3-point margin and Sen. Rob Portman is in decent standing against former Gov. Ted Strickland in the Ohio Senate race. (AP Photo/Jacqueline Larma)

Poll: Senate races close in Florida, Pennsylvania; Portman leads big in Ohio

Kelly Cohen · August 11, 2016 11:54 am

Ohio Senate Candidate Jokes About Scalia’s Death, Apologizes

Jim Swift · August 10, 2016 5:21 pm

Democratic former Gov. Ted Strickland and Republican Sen. Rob Portman are locked in a tight fight for one of Ohio's two Senate seats. (AP Photos)

Portman, Strickland escalate attacks as race heads into homestretch

Al Weaver · August 10, 2016 4:52 am

Portman charges Chinese job theft in new Olympics ad

Portman charges Chinese job theft in new Olympics ad

Al Weaver · August 5, 2016 4:11 am

Jeff Mixon leads Black Lives Matter in Cuyahoga County, and is the leader who endorsed Portman. (AP Photo/Alex Brandon)

Ohio Dems move to punish black activist who endorsed Republican

Joel Gehrke · August 2, 2016 4:37 pm