In the thick of a hotly contested U.S. Senate race, Republican Tom Kean Jr. has decided to make a sharp break from George W. Bush, saying the president has made "horrendous mistakes" in Iraq, is "dead wrong" on the environment and also wrong to limit stem cell research. Kean issued a scathing critique of his party's standard-bearer during an hourlong interview with The Star-Ledger. Kean labeled the federal response to Hurricane Katrina a failure and rebuked Bush for allowing federal spending to balloon without issuing a single veto.