We do need more revenue to keep the federal government operating well without indefinitely running up debt through annual deficits.
But to suggest "raising taxes" is seen as political suicide as it's not popular with voters. So let's look at raising revenue through a different lens: we would not be raising taxes, but undoing most, if not all, of the irresponsible Reagan and Bush tax cuts - i.e. not "raising taxes", but reverting to the sensible tax rates in place before the cuts - the tax rates that were in effect in the Kennedy and Nixon years, when the United States was a more equal (or at least less unequal) society than it is today,
The effect would be the same, but the message would be one of undoing damage by going back to what we had before, rather than imposing something new.