I wouldn't. I don't think Joseph Nye would either. Judge for yourself in "Donald Rumsfeld and Smart Power" from Project Syndicate:
The good news is that Rumsfeld is beginning to realize that the struggle against terrorism cannot be won by hard military power alone. The bad news is that he still does not understand soft power – the ability to get what you want through attraction rather than coercion. As The Economist commented..., “until recently he plainly regarded ... ‘soft power’ as, well, soft – part of ‘Old Europe’s’ appeasement of terrorism.” ... Rumsfeld, when asked about soft power in 2003, replied “I don’t know what it means.” A high price was paid for that ignorance... [read more].