I have several close friends who are about to add baby #2 to their brood in the next couple months. And so I thought I'd pass along a tip-- the key to success when you're 2 on 1 is multi-tasking. Now there are many ways of doing this, and you will have to come up with what works for you- but the idea is to keep both children in your line of sight and busy and thinking they each have your full attention simultaneously.
Here is just one example:
To each her own!