The IRS is exploring plans to cut its 90,000-person workforce by up to 50%, experts say.

BREAKING: China will impose 10-15% counter tariffs on U.S. imports starting March 10 in response to new U.S. tariffs, while Canada and Mexico prepare their own retaliatory measures. The tariffs will hit U.S. soybeans, corn, and other agricultural products.

Sources: NBC, Bloomberg