1)
Why is "She'eris" missing an Aleph?
1.
'Rashi', Malbim: Even those who did not come to Chevron [wanted to make David king]. 'Rashi' - there was not even a [significant] remnant. All came to Chevron b'Simchah!
2.
Radak: We find like this ? "Yiten Es Shelasecha" (Shmuel I, 1:17) is like She'elasecha with an Aleph.
