(April 29, 2020, 12:44 PM EDT) -- DALLAS — An insurer on April 27 filed suit in a federal court in Texas, seeking a declaration that it has no duty to defend its advertising agency and communications firm insured and its officers against an underlying lawsuit in which the National Rifle Association of America asserts that the insured “exploited decades of trust and confidence in order to siphon assets from the NRA” (RSUI Indemnity Company v. Ackerman McQueen, Inc., et al., No. 20-01048, N.D. Texas)....