Sen. Josh Hawley is demanding MLB explain why it issued warnings to players who wrote scripture on their caps during Pride Night celebration, saying it fits a pattern of discrimination against Christians. The MLB’s warning was a response to three San Francisco Giants players writing scripture on their team’s rainbow-patterned Pride Night hats. Giants pitchers Landen Roupp, JT Brubaker, and Ryan Walker featured the Bible verse references on their hats during a June 12 game against the Chicago Cubs. Roup wrote “Gen 9:12-16″ on the front of his hat. That verse refers to God’s design of the rainbow as a sign of His covenant with creation following the flood....