*If* he self-destructed!

Bob Woodward:

Segretti crisscrossed the country, at least a dozen times. And always stayed in cities where there were Democratic primaries. Carl Bernstein:
So if the break-in was just one incident in a campaign of sabotage that began a whole year before Watergate... Bob Woodward:
Then for the first time the break-in makes sense. Carl Bernstein:
This isn't so crazy. This whole thing didn't start with the bugging of the headquarters. Bob Woodward:
Segretti was doing this a year before the bugging. Carl Bernstein:
And a year before, Nixon wasn't slaughtering Muskie, he was running behind Muskie, before Muskie self-destructed. Bob Woodward:
*If* he self-destructed!