Campaign manager: In campaign speeches, our candidate has been reluctant to reveal all the unpleasant consequences of the policies he endorses, but this lapse can be justified.
Conclusion
This lapse can be justified. rephrase: It's justifiable that our candidate has been reluctant to reveal all the unpleasant consequences of the policies he endorses.
Evidence
There is no way to get elected while being fully candid.
It is vitally important that our candidate get a chance to help implement a political agenda that is very positive.
Evaluate
Our job on Strengthen + Principle is to pick a rule that helps get us from the Evidence to the Conclusion, so we usually anticipate a correct answer by thinking, "If Premise, then Conclusion".
The conclusion is always on the right side of the arrow.
justifiable that candidate → hasn't revealed all unpleasant consequences of his policies
Why is it okay for the candidate to hold back, to not be fully candid, about the consequences of his policies?
This author is saying,
Goal
It's hard to say how they'll word the trigger idea, but it seems like the campaign manager is saying .