This is no feint.
If we want to roll over Syria, Assad can do nothing to stop us. We could roll an expedionary armored column around the Middle-East if we so desired, though we'd have to come back to various places that we had left...to re-administer justice at later times.
Lebanon is a more likely target, of course, and needs no such "feint" towards Iran, either. If we want to smash Hezbollah and Syrian forces in Lebanon, then they *will* be smashed, no "feinting" required.
No, VP Cheney's statement is a direct shot at Iran. This is clear language that everyone can understand; an important consideration when you are going to give the Iranians at least one more chance to peacefully do the right thing.
Right now, today, is the right time. Notice that *both* President Bush as well as VP Cheney have made strong statements that apply to Iran today.
Thus, Iran now faces the choice of either backing off of their al-qaeda/AIF support and ending their nuclear weapons program, or else feeling the combined wrath of the U.S. and Israel.