In a 24-hour period beginning at midnight on May 3, he appeared on “The Late Show with Stephen Colbert” on CBS, “New Day” and “Tonight with Don Lemon” on CNN, and “Morning Joe,” “Andrea Mitchell Reports,” “Deadline: White House,” two hours of “MSNBC Live,” “Hardball” and “The Last Word” on MSNBC. His name was invoked more than 70 times during that period across the dial.