They may be moved by a sense of party loyalty.

"There was such a thing as party loyalty," he says of his days in power.

Party loyalty is a virtue only in the eyes of the leaders.

He said party loyalty meant less to him than bringing more money into his district for economic development and health care.

For that reason, party loyalty is basic to political survival.

Local issues, rather than party loyalties, defined each race, he said.

That, he said, indicates party loyalty no longer runs very deep.

He is doing it a time when, nationwide, voters are moving away from party loyalty.

As a Senator he was dedicated to principles rather than party loyalty.

For Conservatives the most important expression of party loyalty to the leader.