Do the following sentences say the same thing?
Jury nullification means a law isn't Constitutional?
No. Jury nullification does not mean that a law is unconstuitutional.

2

Do the following sentences say the same thing?
Three cows grazing in a field.
Two cows graze in a field.

3

Do the following sentences say the same thing?
A man is playing a guitar.
A man is playing a piano.

2

Do the following sentences say the same thing?
Armstrong steps down from Livestrong
Armstrong standing down from Livestrong
5