Now they can add rising fears of a recession and a possible government shutdown to the list. Congress faces a Friday deadline to keep the government's doors open and dodge a painful shutdown. The House already passed a spending bill to temporarily fund the government until September,

The E.U., Canada and China are retaliating in response to President Trump's 25% tariffs on steel and aluminum imports to the U.S. Punchbowl News co-founder Jake Sherman and The Nation national affairs correspondent John Nichols join Katy Tur to weigh in on the potential political impact of the tariffs.

Trump's global tariffs of 25% on all imports of steel and aluminum also extend the duties to hundreds of products made from the metals.