Bush political dynasty to be tested in Texas runoff and other races to watch

While Georgia has received much of the national attention among the states holding primaries on Tuesday, there are also critical Republican primaries in Alabama and tests for both progressives and the Bush political dynasty in Texas. 

In Arkansas, former White House press secretary Sarah Huckabee Sanders is expected to win the Republican nomination for governor and will likely be a heavy favorite to win in November. 

Here are the key races to watch: