“Whatever they thought they could ultimately achieve, they’ve already failed,” says President Obama of the Boston Marathon bombers.

“They failed because the people of Boston refused to be intimidated. They failed because as Americans we refuse to be terrorized.”

Bostonians did react splendidly. From first responders to folks who gave blood, from hospital staffs to the FBI, ATF and state troopers, from the Boston and Watertown cops to the hostage rescue team that talked Dzhokhar Tsarnaev out of that boat.

But did the Brothers Tsarnaev really fail – as terrorists?

On Sunday’s talk shows, a sub-theme was that this had been the “most successful terrorist attack since 9/11.”

For consider what these brothers accomplished.