And then they can get to work. He spends a while just spending time with people, learning what they're up to, reading news articles, getting a sense of how contact with Velgarth and the alliance and the end of the war has played in the Andalite press. He does a few interviews. There is a full investigation ongoing of the circumstances of the start of the war; he is very sincerely interested in how it'll turn out and promises to try to help get them access to Yeerks who were there. Not Mhalir, not anyone they'll want to put on trial while they have them, but there must be some lower-ranking Yeerks. He arranges for other people to do other things - sociological studies of humans who are voluntary Controllers, articles about why they do that and what seems to make it work.
As he finds his feet he does more interviews, attends more events. Buys people presents.
A story runs in a journal of political and military strategy, titled "Could we have offered the Yeerks terms?" It argues that Andalites should have at least tried to offer the Yeerks terms of surrender before the Hork Bajir massacre. Let them keep the Taxxons. The Yeerks would of course almost certainly have refused but it would have been better for that refusal to be on them.
A story runs in the popular press, titled "Did divine interference lead us to Velgarth?" It mentions in passing that maybe the Ellimist didn't help the Andalites more sooner in the war because they weren't meant to win it until they'd met people who could handle the Yeerk situation afterwards.
A battery of stories run about reparations to the Hork-Bajir for the deployment of a bioweapon on their homeworld. A timeline of the war with a distinct emphasis on Mhalir's contributions. The early products of the studies of human voluntary Controllers. Matirin shows Leareth things, shows what he's tracking. Andalites won't say things until they're pretty sure they are agreed on but they'll say various other things that are more salient or more interesting if you believe a controversial thing.