He could've genuinely changed his mind, but I'll only believe that if he actually starts using his power as a senator to actually do something about it, instead of just complaining on twitter.

Like a regular, everyday person who recognises Israel's evil now but didn't before? That's fine, people can change their mind as they learn new things, but someone deep within the US Israel funding apparatus? He's going to need to do more than give me empty words to show he actually opposes Israel.