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WASHINGTON, DC - JUNE 21:  Sen. Susan Collins (R-ME), speaks while flanked by bipartian Senate colleagues during a news conference on Capitol Hill, June 21, 2016 in Washington, DC. Collins and a bipartisan group of Senators announced a measure that would block people on the Transportation Security AdministrationÕs no-fly list from buying firearms. The measure also includes a list that would subject individuals to additional screening before boarding a plane.  (Photo by Mark Wilson/Getty Images)
WASHINGTON, DC - JUNE 21:  Sen. Susan Collins (R-ME), speaks while flanked by bipartian Senate colleagues during a news conference on Capitol Hill, June 21, 2016 in Washington, DC. Collins and a bipartisan group of Senators announced a measure that would block people on the Transportation Security AdministrationÕs no-fly list from buying firearms. The measure also includes a list that would subject individuals to additional screening before boarding a plane.  (Photo by Mark Wilson/Getty Images)

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Collins to Trump: don't make policy on Twitter

In an interview on State of the Union, Jake Tapper asks Sen. Susan Collins if the President's tweets should be considered official policy or simply ignored.

Collins to Trump: don't make policy on Twitter

In an interview on State of the Union, Jake Tapper asks Sen. Susan Collins if the President's tweets should be considered official policy or simply ignored.