I watch the main speakers at Tuesday's Republican National Convention.
Here's how I would grade their speeches based on delivery and effectiveness:

First Lady Laura Bush - B
President Bush - C
Former Sen. Fred Thompson - A
Sen. Joe Lieberman - A

Best part of Thompson's speech:

"To deal with these challenges, the Democrats present a history-making nominee for president -- history-making in that he's the most liberal, most inexperienced nominee to ever run for president. Apparently they believe that he would match up well with the history-making, Democrat-controlled Congress -- history-making because it's the least accomplished and most unpopular Congress in our nation's history.

Together, they would take on these urgent challenges with protectionism, higher taxes and an even bigger bureaucracy and a Supreme Court that could be lost to liberalism for a generation.

This is not reform and it's certainly not change. It's basically the same old stuff they've been peddling for years.

America needs a president who understands the nature of the world we live in, a president who feels no need to apologize for the United States of America. We need a president who understands that you don't make citizens prosperous by making Washington richer -- and you don't -- and you don't lift an economic downturn by imposing one of the largest tax increases in American history."

Best part of Joe Lieberman's speech:

"Both presidential candidates this year talk about changing the culture of Washington, about breaking through the partisan gridlock and special interests that are poisoning our politics. But, my friends, only one of them has actually done it. Only one leader has shown the courage and the capability to rise above the smallness of our politics to get big things done for our country and our people. And that one is John S. McCain."