Dianne Feinstein returns to the Senate following a nearly 3-month absence and resignation calls from fellow Democrats

• Sen. Dianne Feinstein returned to the US Senate on Wednesday.
• It came after nearly 3 months away from Washington due to complications from a shingles infection.
• Several fellow Democrats called for her to resign, arguing her absence imperiled their party's agenda.

Sen. Dianne Feinstein is back at the Capitol.

The 89-year-old California Democrat returned to work this week after spending nearly 3 months away from Washington due to complications from a shingles infection.