WASHINGTON, DC - SEPTEMBER 20: (L-R) CEO of Syngenta International AG Erik Fyrwald, President and CEO of Bayer CropScience North America Jim Blome, and Executive Vice President and Chief Technology Officer of the Monsanto Company Robb Fraley wait for the beginning of a hearing before the Senate Judiciary Committee September 20, 2016 on Capitol in Washington, DC. The committee held a hearing on "Consolidation and Competition in the U.S. Seed and Agrochemical Industry." (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - SEPTEMBER 20: President and CEO of Bayer CropScience North America Jim Blome (L) talks to Executive Vice President and Chief Technology Officer of the Monsanto Company Robb Fraley (R) prior to a hearing before the Senate Judiciary Committee September 20, 2016 on Capitol in Washington, DC. The committee held a hearing on "Consolidation and Competition in the U.S. Seed and Agrochemical Industry." (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - SEPTEMBER 20: President and CEO of Bayer CropScience North America Jim Blome (L) talks to Executive Vice President and Chief Technology Officer of the Monsanto Company Robb Fraley (R) prior to a hearing before the Senate Judiciary Committee September 20, 2016 on Capitol in Washington, DC. The committee held a hearing on "Consolidation and Competition in the U.S. Seed and Agrochemical Industry." (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - SEPTEMBER 20: (L-R) CEO of Syngenta International AG Erik Fyrwald, President and CEO of Bayer CropScience North America Jim Blome, and Executive Vice President and Chief Technology Officer of the Monsanto Company Robb Fraley wait for the beginning of a hearing before the Senate Judiciary Committee September 20, 2016 on Capitol in Washington, DC. The committee held a hearing on "Consolidation and Competition in the U.S. Seed and Agrochemical Industry." (Photo by Alex Wong/Getty Images)

U.S. President Barack Obama addresses the Congressional Black Caucus Foundation's 46th annual Legislative Conference Phoenix Awards Dinner in Washington, September 17, 2016. REUTERS/Yuri Gripas

WASHINGTON, DC - SEPTEMBER 19: Sen. Chris Murphy (D-CT) participates in a discussion about legislation to halt the sale of some weapons to Saudi Arabia at the Center for the National Interest September 19, 2016 in Washington, DC. After the Department of Defense announced the sale of $1.5 billion of arms to Saudi Arabia, Senators Murphy, Rand Paul (R-KY), Al Franken (D-MN) and Mike Lee (R-UT) are attempting to block the sale by using a provision of the Arms Export Control Act of 1976 that "provides for special procedures whereby a senator can force a vote on an arms sale by the president." (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 19: Sen. Rand Paul (R-KY) participates in a discussion about legislation to halt the sale of some weapons to Saudi Arabia at the Center for the National Interest September 19, 2016 in Washington, DC. After the Department of Defense announced the sale of $1.5 billion of arms to Saudi Arabia, Senators Paul, Chris Murphy (D-CT), Al Franken (D-MN) and Mike Lee (R-UT) are attempting to block the sale by using a provision of the Arms Export Control Act of 1976 that "provides for special procedures whereby a senator can force a vote on an arms sale by the president." (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 19: (L-R) Sen. Rand Paul (R-KY), Center for the National Interest Vice Chairman Dov Zakheim and Sen. Chris Murphy discuss legislation to halt the sale of some weapons to Saudi Arabia at the center September 19, 2016 in Washington, DC. After the Department of Defense announced the sale of $1.5 billion of arms to Saudi Arabia, Senators Paul, Murphy, Al Franken (D-MN) and Mike Lee (R-UT) are attempting to block the sale by using a provision of the Arms Export Control Act of 1976 that "provides for special procedures whereby a senator can force a vote on an arms sale by the president." (Photo by Chip Somodevilla/Getty Images)