Since tomorrow (15 June) is the typical filing deadline for overseas Americans, there is an initiative for global "call storm" to support residence-based taxation. If you're inclined to contact your congressional rep, consider adding your voice!
...unless you really enjoy doing your complicated return every year, in which case, can you do mine too?!
And some additional information and resources: Americans Citizen Abroad is a bipartisan group representing the interests of overseas Americans with the support of the congressional Americans Abroad Caucus.