Quoted: “This is a time-honored tradition in American politics,” says David Canon, a professor of political science at the University of Wisconsin-Madison. “Congress does this all the time, too. It’s just something that political leaders like to do, to either recognize certain individuals or groups that are doing good things, to raise public awareness about a problem like a disease or just make a nice gesture to a group you want to support, like amateur radio operators. A cost-free way to make people feel good.”