Identify potential roadblocks a friend's dinner party and make a plan for staying motivated when these happen.

There are several potential roadblocks to electrifying Britain's fleet of 31m cars.

Another potential roadblock: Straight talk-shows have lost a bit of their glamour in recent years.

And there is no shortage of potential roadblocks in China's path, either.

Yesterday, a Yankees official said that talks to get around that potential roadblock had recently broken off.

"Sometimes it just takes a matter of connecting," he says of potential roadblocks in roping artists along for the ride.

Another potential roadblock is the United Federation of Teachers, which has generally opposed efforts to scale back special education.

Safety concerns are not the only potential roadblocks to ads on wheels.

The players' response to questions about those potential roadblocks was essentially a big shrug.

But a series of potential roadblocks remain.