TELEVISION/RADIO

Channel Checks: Speaking of Bush, for tonight’s one-year anniversary of PBS’ “Talking With David Frost” (9 p.m. on KCET Channel 28), Frost talks with the same pair he interviewed a year ago: President and Mrs. Bush. . . . “Baby Talk” and “Perfect Strangers” swap time slots tonight on ABC, with “Baby Talk” moving to 9 p.m. followed by “Perfect Strangers” at 9:30. . . . Actor Larry Hagman of “Dallas” turns director for Tuesday’s episode of NBC’s “In the Heat of the Night.”