Donald Trump Jr.'s venture capital firm punched back Tuesday at suspicions cast by a key congressional Democrat about potential "insider political influence," likely foreshadowing the political showdowns in the U.S. House if control of the chamber flips in the November elections.

In a letter shared with CBS News, the legal counsel for the president's eldest son's firm, 1789 Capital, rejected Rep. Jamie Raskin's characterizations of the firm and criticized his "spaghetti-against-the-wall approach." The firm did not provide the materials requested by Raskin. READ MORE