White House officials described the goal of the policy as "party unity."

The two men shook hands on stage in a show of party unity.

"I'm sensitive to the need for party unity, but good policy is always the best politics."

She also called for party unity, "otherwise you're no longer the majority."

As the convention opened, we were making good progress on party unity.

The two men, both in their 70's, have been rivals and the move was seen as a display of party unity.

With nine weeks to the election, "there is a concern that we work on party unity at all levels," the official said.

No, he told the Governor at that point, he would not back out in the interest of party unity.

In the meantime he needs a semblance of party unity.

But for all the talk of party unity, bitterness erupted among the candidates.