Bayer's takeover of Monsanto is expected to receive extra scrutiny out of fears the deal could prove detrimental for European farmers.
Hurricane Maria is gaining strength and is now a category 5 storm.
The Democrats want to force consolidating companies to justify the benefits of their mergers, not just ensure that the merger doesn't diminish competition in order to receive approval from antitrust regulators.
Bayer has proposed a $66 billion merger with Monsanto.
The product can vaporize and kill other crops under certain conditions.