Miranda Lambert will celebrate first responders on her upcoming Wildcard Tour, which seems apropos since she married one in 2019: NYC police officer Brendan McLoughlin. Radio listeners in markets that Miranda’s tour is visiting can nominate local first responders to participating country stations, including Cumulus stations in Nashville (WKDF/NASH 103.3), Dallas (KPLX 99.5 and KSCS 96.3),…