But the president could make a more assertive statement by choosing an official who has waged climate battles, such as former Washington Gov. Chris Gregoire, who signed an emissions-cutting law.

WSJ: Republicans Bristle at Obama's New Roster

The investors seem willing to make an exception for assertive managers such as Mr Welch.

ECONOMIST: Honeywell and AlliedSignal

The fact that it's such a good deal for the Europeans and that Russia is increasingly assertive, may make this the moment of maximum leverage.

CENTERFORSECURITYPOLICY: Ending the free ride

Can women make it to the top without being assertive and confident?

FORBES: Can 'Feminine' Women Make It To The Top?