Jill Goldsmith The nation’s second largest cable operator Charter Communications said Monday it’s selling $1.5 billion in debt and could use the fresh cash to repay existing debt and fund share buybacks.It expects to close the offering of senior unsecured notes due in 2031 on July 9.The company sold $3 billion in senior notes in April as media companes sought a cash cushion in the midst of the fast-spreading, economy-devastating coronavirus pandemic.Charter had approximately $79 billion of debt