Bernie Sanders

Bernie Sanders has increased his spending on television by about 70 percent, and has been focusing his messages in the crucial Super Tuesday states.

(David Goldman, Associated Press)

Here is today's number in the world of politics:

Today's number is $2.9 million. Bernie Sanders' presidential campaign spent about $2.9 million on broadcast ads last week, which almost doubles Hillary Clinton's $1.6 million during the same period, according to Bloomberg Politics.

Sanders has increased his spending on television by about 70 percent, and has been focusing his messages in the crucial Super Tuesday states. Sanders spent more than twice as much as Clinton in Denver, Minneapolis, Tulsa, and Oklahoma City.

In Nevada and South Carolina, Sanders and Clinton spent about the same amount. Read more at Bloomberg.