How does the length of political candidates' sound bites compare across the United States, Great Britain, Germany, and France?What accounts for the length of sound bites in these countries?

What will be an ideal response?

An ideal response will:
1,Note that the sound bites for politicians in Germany, France, and Great Britain are between 12 and 15 secondsand the sound bites for politicians in the United States are about 10 seconds. Note that these European sound bites are not that much longer than those for American politicians, despite differences across political systems.
2, Describe the two factors that appear to be at work in advanced industrialized democracies that have contributed to fairly short sound bites. First, technological advancements in editing have made it quite easy to cut political statements into small tidbits. And, second, networks usually believe that brief sound bites are best to keep their audience.