CVS Health is under heat for "rolling over" prescriptions. Photo: Spencer Platt/Getty Images

Federal prosecutors are suing CVS Health and one of its subsidiaries, alleging the companies dispensed drugs to seniors and disabled people in long-term care facilities even though the prescriptions had expired or "were otherwise invalid" — and then fraudulently billed federal health care programs for the tab.

The bottom line: A CVS spokesperson said the lawsuit was meritless, and the company intends to "vigorously defend the matter in court." But this is not the first time CVS has been enmeshed in federal allegations over shady prescription billing practices.

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13 of Biden's former rivals to appear together at Democratic convention

Democratic presidential candidates at the primary debate in Charleston, SC. Photo: Win McNamee/Getty Images

In a show of unity at the Democratic National Convention, 13 of Joe Biden's former 2020 challengers will appear via video to talk about the party's vision for the country and how they'll work with Biden to get it done.

Why it matters: Coalescing around Biden and his eventual running mate will help Democrats head into the general election against President Trump with a united front — unlike what they did in 2016.

IG report: Saudi arms sales were legal but didn't weigh civilian casualties

Secretary of State Mike Pompeo. Photo: Gabriel Kuchta/Getty Images

Secretary of State Mike Pompeo acted legally when he bypassed Congress to approve $8 billion in arms sales to Saudi Arabia, but failed to "fully assess risks and implement mitigation measures to reduce civilian casualties" that resulted from the deal, according to a report by the State Department inspector general.

Why it matters: The 2019 sale drew bipartisan ire among lawmakers, who worried it could lead to a pattern of the administration using "emergency declarations" to circumvent Congress to approve weapons deals. The report comes two months after former Inspector General Steve Linick testified that he was pressured by a top Pompeo aide to drop the investigation.

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Florida reports another daily record for coronavirus deaths

Nurse practitioner Barbara Corral and a research assistant conduct a COVID-19 vaccination study on August 7 in Hollywood, Florida. Photo: Joe Raedle/Getty Images

Florida's health department on Tuesday reported 276 new coronavirus deaths, surpassing the state's record from July 31.

The big picture: The state also recorded over 5,800 new cases — on the low side for a state that is one of the domestic epicenters for the virus.