WASHINGTON, Oct. 31 -- Sen. Markwayne Mullin, R-Oklahoma, issued the following news release: Senator Markwayne Mullin (R-OK) joined U.S. Senator Jim Risch (R-ID) and nine of their Senate GOP colleagues in sending a letter calling out President Joe Biden and Vice President Kamala Harris for fueling a national security crisis at the southern border through a series of destructive executive orders. "Instead of addressing the flow of illegal immigration and illicit drugs across our borders, your administration has turned its back on those who wis more PR