CEOs of CVS and Aetna: Our $69 billion merger will reduce costs for consumers immediately

CVS Health CEO Larry Merlo and Aetna Chairman and CEO Mark Bertolini spoke Monday in an exclusive interview with CNBC's " Squawk Box.". The two companies announced on Sunday that CVS Health will acquire Aetna for roughly $69 billion in cash and stock. The deal would combine CVS's pharmacy and pharmacy benefit manager platform, or so-called PBMs, with Aetna's...