Sen. Ben Nelson (D-Neb.) says he would like to see former Sen. Bob Kerrey (D-Neb.) run for Sen. Chuck HagelCharles (Chuck) Timothy HagelThe Hill's 12:30 Report The Hill's 12:30 Report Billionaires stopping climate change action have a hold on Trump, GOP MORE's (R-Neb.) now-vacated Senate seat and that he will not endorse a presidential candidate until the convention.