Mnuchin says no regrets over government plane use

By Julia HarteWASHINGTON (Reuters) - U.S. Treasury Secretary Steven Mnuchin said on Sunday he does not regret using a government plane to travel to Kentucky in August with his wife to view the solar eclipse and speak to business leaders, calling it "completely justifiable."Mnuchin's use of the plane at taxpayers' expense prompted an outcry from Democratic lawmakers and interest groups and spurred a government watchdog to begin examining whether it violated travel or ethics policies."It was appro