AP/Matt Slocum
- First Lady Jill Biden has so far attended each day of Hunter Biden's trial, which opened Tuesday.
- Her presence underscores the absence of another first lady, Melania Trump, at Donald Trump's trial.
- Both the Biden and Trump trials feature unsavory personal allegations.
First Lady Jill Biden has sat in the front row each day of Hunter Biden's federal gun trial in Delaware this week, wearing crisply tailored pants suits, jotting on a white legal pad, and joking during breaks with her son.