Doubtful on part 1. The senate seems to be flipping red this time. No senate, no new laws. Kamala won't be able to do shit without the Democrats passing legislation.
Yup, a frequent refrain of there's is that the dema should be more effective since they've "been on power" multiple times over the last 50 years, during which a grand total of four of those and change featured a majority that could have actually done anything, and which alao had several members that would actively sabotage that majority doing anything.
I don't know why you're being down voted. The Financial Times laid out the same dire situation yesterday. The New York Times said it two days ago. The best she can do in the first term is play defense and home the ground game gets good. But it's a hard position to be in because people are looking to either winners change. Without legislation, I don't know how she can do that.